Reviewers

Reviewer Name Affiliation
ahmad aabbasi University of Guilan
Cihat Abdioglu
Adeleh Abdolghafourian
Chandrashekar Adiga Department of Studies in Mathematics, University of Mysore, India.
Moharram Aghapour Arak University
Neda Ahanjideh Shahrekord University
M.R. Ahmadi Zand
Narges Akhlaghinia Shahid Beheshti University
Muhammad Akram
Seyed Hassan Alavi Bu-Ali Sina University, Hamedan
Abdollah Alhevaz Faculty of Mathematical Sciences, Shahrood University of Technology, Shahrood, Iran
Ali Aliabad Dept. of Math., Faculty of Mathematical sciences and computer, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Saeid Alikhani YAZD University
Meysam Alishahi
Mona Ally
Madeleine Al Tahan Department of Mathematics, Faculty of Arts and Sciences, Lebanese International University
Madeleine Al Tahan
Reza Ameri University of Tehran
Jafar Amjadi
Seid Mohammad Anvariyeh Yazd University-Department of Mathematics
M. Arezoomand University of Larestan
Firouzeh Ashraf
Ali Ashrafi University of Kashan
Sania Asif
T. Asir Madurai Kamraj University, Tamilnadu, India.
Shavkat Ayupov Institute of Mathematics Named After V.I. Romanovsky
Saeid Azam University of Isfahan, Iran
M. Azari Islamic Azad University
Fariborz Azarpanah shahid chamran university of ahvaz
Azam Babai University of Qom
Ayman Badawi American University of Sharjah
Kmal Bahmanpour Department of Mathematics, University of Mohaghegh Ardabili
Mojtaba Bahramian Department of Pure Mathematics, Faculty of Mathematical Sciences, Uuniversity of Kashan, Kashan, I. R. Iran 8731753153
Rohollah Bakhshandeh Faculty of Basic Sciences, Babol Noshirvani of Tchnology, Babol, Iran
Mahmood Bakhshi University of Bojnord
hasan barzegar Tafresh univercity, Tafresh, Iran
Daniela Bbboloni
Afshin Behmaram
Arsham Borumand Saeid Shahid Bahonar University of Kerman
R.A. Borzouei Department of Mathematics, Shahid Beheshti University, Tehran, Iran
S. B. Bozkurt Altındag
T. Tamizh Chelvam Manonmaniam Sundarnar University, Tirunelaveli, Tamilnadu, India.
Yuqun Chen
Ferdinand Chovanec department of natural sciences armed forces academy sk-03101 liptovský mikulá¹ slovak republic
Irina Cristea Center for Systems and Information Technologies,University of Nova Gorica‎, ‎Slovenia
Mohammad Reza Darafsheh
Maryam Davoudian Department of mathematics, Shahid Chamran university of Ahvaz, Ahvaz, Iran
Bijan Davvaz
F. Dehghanizadeh
S.B. Dhotre
Alexander J. Diesl wellesley college
Hamid Reza Dorbidi University of Jiroft
Tomislav Doslic University of Zagreb
Themba Dube University of South Africa, Department of Mathematical Sciences, P. O. Box 392, 0003 Pretoria, South Africa
W. Dudek
Fabrizio Durante
karam Ebadi Department of Mathematics and Computer Engineering, Faculty of shahid beheshti, Urmia Branch, Technical and Vocational University (TVU), Urmia, Iran
Mehdi Ebrahimi Department of Mathematics, Shahid Beheshti University, Tehran Iran
behrouz edalatzadeh razi university
Hossein Eshraghi University of Kashan
Esfandiar Eslami Kerman University
Gholam Hossein Esslamzadeh Shiraz University
Ali Estaji Faculty of Mathematics and Computer Sciences, Hakim Sabzevari University, P.O. Box 397, Postal Code 9617976487, Sabzevar, Iran
Ali Akbar Estaji Faculty of Mathematics and Computer Sciences, Hakim Sabzevari University, Sabzevar, Iran.
Farkhonde Farzalipour Department of Mathematics, Payame Noor University (PNU), P.O.BOX 19395-3697 Tehran, Iran,
M. Fatehinia
Gholam Hossein Fath Tabar University of Kashan
Fariba Fayazi University of Qom
Hosein Fazaeli Moghimi Department of Mathematics, University of Bir- jand, Birjand, Iran
F. Frouzesh
Batoul Ganji Saffar Department of Mathematics, Faculty of Mathematical Sciences, Alzahra University, Tehran, Iran
M. Ghadiri Yazd University
Ali Ghalavand University of Kashan
mohsen ghasemi department of mathematics
Peyman Ghiasvand Department of Mathematics, Payame Noor University (PNU), P.O.BOX 19395-3697 Tehran, Iran,
Mohammad Gholami Shahrekord University
Ebrahim Ghorbani k.n.t. university
M. Ghorbani Shahid Rajaee Teacher Training University
Modjtaba Ghorbani Department of Math, Srtt University
Michael Giudici University of Western Australia
Mahdiyeh Haddadi Deprtment of Mathematics, Semnan University, Semnan, Iran
Asma Hamzeh University of Kashan
habib Harizavi Department of Mathematics, Faculty of Mathematical Sciences and Computer, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Abdullah Harmanci
Dariush Heidari Faculty of science, Mahallat institute of higher education, Mahallat, Iran
Kostaq Hila University of Gjirokastra
M. Holcapek University of Ostrava, Institute for Research and Applications of Fuzzy Modeling, Centre of Excellence IT4Innovations, 30.dubna 22, 70103Ostrava, Czech Republic
Mohammad Reza Hooshmandasl Yazd University
Mehrab Hosseinpour Department of Mathematics, University of Mazandaran
Shuliang Huang
Nasrin Jafari
Nader Jafari Rad
Somayeh Jahari Department of Mathematics Yazd University, Yazd, Iran
Shahrooz Janbaz Malek Ashtar University
Tibor Juhasz Institute of Mathematics and Informatics Eszterházy Károly University Eger, Hungary
Young Bae Jun Department of Mathematics Education, Gyeong sang National university, Chinju, Korea
azam Kaheni Department of Mathematics, University of Birjand,Birjand, Iran.
Reza Kahkeshani Department of Pure Mathematics, Faculty of Mathematical Sciences, University of Kashan, Kashan, Iran
Leili Kamali Ardekani Faculty of Engineering, Ardakan University, P.O. Box 184, Ardakan, Iran.
Omidali Karamzadeh Department of mathematics, Shahid Chamran university of Ahvaz, Ahvaz, Iran
Engin Kaynar Amasya University
Derya Keskin Department of Mathematics, Hacettepe University, Turkey
Noor Khan Central University of Kashmir
Mehdi Khoramdel Department of Mathematics, University of Guilan, Iran
Mahdi Reza Khorsandi Faculty of Mathematical Sciences, Shahrood University of Technology, Shahrood, Iran
Hossein Khorshidi
H.S Kim Research Institute for Natural Sci., Department of Mathematics, Hanyang University, Seoul 04763, Korea
KYUNG HO KIM Department of Mathematics Korea National University of Transportation Chungju 27469, Korea
nader Kouhestani Sistan and Baluchestan University
klavdija Kutnar University of Primorska
Sang Cheol Lee Department of Mathematics Education Chonbuk National University Jeonju 561-756, Korea
Mark. L Lewis Kent state uni
Weijun Liu School of Sciences, Nantong University, Nantong, Jiangsu, 226007, PR China
Andrea Lucchini
Ali Madanshekaf
Lotf Ali Mahdavi Department of Mathematics, Faculty of Mathematical Sciences, University of Mazandaran, Babolsar, Iran
Razieh Mahjoob
Hamidreza Maimani
Wei Meng
Saeed Mirvakili Department of Mathematics, Payame Noor University
Melanija Mitrovic University of Nis
E. Mohamadzadeh
Doost Ali Mojdeh
Ali Reza Moniri Hamzekolaee Department of Mathematics, Faculty of Mathematical Sciences, University of Mazandaran, Babolsar
Jamshid Moori Faculty of Agriculture, Science and Technology
Hajjat Mostafanasab University of Mohaghegh Ardabili
Zohreh Mostaghim School of Mathematics, Iran University of Science and Technology, Tehran, Iran.
somayeh motamed Department of Mathematics Islamic Azad University of Bandar Abbas, Iran.
H Mousavi university of tabriz
Hamid Mousavi university of tabriz
Fateme Movahedi Department of Mathematics, Golestan University
Intan Muchtadi-Alamsyah Bandung Institute of Technology
G. Muhiuddin Department of Mathematics, Faculty of Science University of Tabuk, P.O. Box-741 Tabuk-71491, Saudi Arabia.
alireza naghipour shahrkord university
Alireza Najafizadeh Department of Mathematics, Payame Noor University, P.O.Box 19395-3697 Tehran, Iran
Zahra Nazemian
CELİL NEBIYEV ONDOKUZ MAYIS UNIVERSITY, FACULTY OF EDUCATION SCIENCES, DEPARTMENT OF MATHEMATICS
Reza Nekooei Shahid Bahonar University, Kerman, Iran
S. Niazian Shahid beheshti university
reza nikandish
A. Nikkhah
Peyman Niroomand
Wondwosen Norahun Department of Mathematics, College of Natural and Computational Sciences, University of Gondar, Gondar, Ethiopia
Mohammad Reza Oboudi Shiraz University
Reza Orfi
Akbar Paad Department of Mathematics, University of Bojnord, Bojnord, Iran
Mohsen Parvizi Department of Pure Mathematics, Ferdowsi University of Mashhad, P. O. Box 1159, Mashhad 91775, Iran
Shiroyeh Payrovi Imam Khomeini International University
Gustavo Pelaitay Universidad Nacional de San Juan
Mohammad Reza Piri
Abdolrasoul Pourabbas Amirkabir University
Saqib Mazher Qurashi
Akefe Radfar Payam Noor University
Farhad Rahmati Department of Mathematics, Amirkabir university of technology, Tehran, Iran
B. R. Rakshith Department of Studies in Mathematics, University of Mysore, India.
Hossein Rashmanlou Department of Mathematics, Islamic Azad University, Central Tehran Branch, Tehran, Iran
Saeed Rasouli Department of Mathematics, Persian Gulf University, Bushehr, 75169, IRAN
Akbar Rezaei Department of Mathemtics, Payame Noor University, Tehran, Iran
Zahra Riyahi Department of Mathematics, University of Science and Technology of Mazandaran, Behshahr, Iran
Daniel Romano International Mathematical Virtual Institute Banja Luka, Bosnia and Herzegovina
Simin Saidi Goraghani Farhangian University, Kerman, Iran
Mohammad Salahshour Islamic Azad University
Mohammad Reza Salarian
seyed Amin seyed Fakhari Institute for Research in Fundamental Sciences (IPM)
Mohammad Shahryari
Reza Sharafdini Persian Gulf University
Seyedeh Fatemeh Shariati Faculty of Mathematics and Computer Science, Amirkabir University of Technology, 424 Hafez Avenue, 15914 Tehran, Iran.
Farzad Shaveisi
Mohammad Hadi Shekarriz Yazd University
Hayder Shelash University Kufa, Iraq
Rulin Shen
Nasrin Shirali Department of Mathematical Sciences and Informatics, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Nematollah Shirmohammadi Tabriz Uinversity
H. S. Javadi Shahed University
F Smarandache New Mexico University
Pablo Spiga
E. Stitzinger
Teerapong Suksumran Chiang Mai University
Adel Tadayyonfar Lenjan Branch, Islamic Azad University, Sedeh-Lenjan, ZarinShahr 84741−68333, I. R. Iran
Behnam Talaee Department of Math. Faculty of Basic Science, Babol Noshirvani University of technology, Babol, Iran
Yahya Talebi University of Mazandaran
Özgür Taşdemir Trakya University, Edirne, Turkey
Gerima Tefera Wollo university,Ethiopia
Behnaz Tolue Department of Mathematics
David Towers Department of Mathematics and Statistics, Lancaster University, Lancaster, Ingland
Nguyen Minh Tri Department of Mathematics and Physics, University of Information Technology
Ying Wang
Zhixiang Wu
Zahra Yarahmadi Islamic Azad university, Khorramabad Branch
Omid Zahiri
Anatolii V. Zhuchok department of mechanics and mathematics, kyiv national taras shevchenko university, volodymyrska str., 64, kyiv, 01033, ukraine

Duties of Reviewers

Contribution to Editorial Decision

Promptness

Confidentiality

Standards of Objectivity

Acknowledgement of Source

Disclosure and Conflicts of Interest


 List of reviewers (In Alphabetical Order)----(It will be completed)

Reviewer Name Affiliation
ahmad aabbasi University of Guilan
Cihat Abdioglu
Adeleh Abdolghafourian
Chandrashekar Adiga Department of Studies in Mathematics, University of Mysore, India.
Moharram Aghapour Arak University
Neda Ahanjideh Shahrekord University
M.R. Ahmadi Zand
Narges Akhlaghinia Shahid Beheshti University
Muhammad Akram
Seyed Hassan Alavi Bu-Ali Sina University, Hamedan
Abdollah Alhevaz Faculty of Mathematical Sciences, Shahrood University of Technology, Shahrood, Iran
Ali Aliabad Dept. of Math., Faculty of Mathematical sciences and computer, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Saeid Alikhani YAZD University
Meysam Alishahi
Mona Ally
Madeleine Al Tahan Department of Mathematics, Faculty of Arts and Sciences, Lebanese International University
Madeleine Al Tahan
Reza Ameri University of Tehran
Jafar Amjadi
Seid Mohammad Anvariyeh Yazd University-Department of Mathematics
M. Arezoomand University of Larestan
Firouzeh Ashraf
Ali Ashrafi University of Kashan
Sania Asif
T. Asir Madurai Kamraj University, Tamilnadu, India.
Shavkat Ayupov Institute of Mathematics Named After V.I. Romanovsky
Saeid Azam University of Isfahan, Iran
M. Azari Islamic Azad University
Fariborz Azarpanah shahid chamran university of ahvaz
Azam Babai University of Qom
Ayman Badawi American University of Sharjah
Kmal Bahmanpour Department of Mathematics, University of Mohaghegh Ardabili
Mojtaba Bahramian Department of Pure Mathematics, Faculty of Mathematical Sciences, Uuniversity of Kashan, Kashan, I. R. Iran 8731753153
Rohollah Bakhshandeh Faculty of Basic Sciences, Babol Noshirvani of Tchnology, Babol, Iran
Mahmood Bakhshi University of Bojnord
hasan barzegar Tafresh univercity, Tafresh, Iran
Daniela Bbboloni
Afshin Behmaram
Arsham Borumand Saeid Shahid Bahonar University of Kerman
R.A. Borzouei Department of Mathematics, Shahid Beheshti University, Tehran, Iran
S. B. Bozkurt Altındag
T. Tamizh Chelvam Manonmaniam Sundarnar University, Tirunelaveli, Tamilnadu, India.
Yuqun Chen
Ferdinand Chovanec department of natural sciences armed forces academy sk-03101 liptovský mikulá¹ slovak republic
Irina Cristea Center for Systems and Information Technologies,University of Nova Gorica‎, ‎Slovenia
Mohammad Reza Darafsheh
Maryam Davoudian Department of mathematics, Shahid Chamran university of Ahvaz, Ahvaz, Iran
Bijan Davvaz
F. Dehghanizadeh
S.B. Dhotre
Alexander J. Diesl wellesley college
Hamid Reza Dorbidi University of Jiroft
Tomislav Doslic University of Zagreb
Themba Dube University of South Africa, Department of Mathematical Sciences, P. O. Box 392, 0003 Pretoria, South Africa
W. Dudek
Fabrizio Durante
karam Ebadi Department of Mathematics and Computer Engineering, Faculty of shahid beheshti, Urmia Branch, Technical and Vocational University (TVU), Urmia, Iran
Mehdi Ebrahimi Department of Mathematics, Shahid Beheshti University, Tehran Iran
behrouz edalatzadeh razi university
Hossein Eshraghi University of Kashan
Esfandiar Eslami Kerman University
Gholam Hossein Esslamzadeh Shiraz University
Ali Estaji Faculty of Mathematics and Computer Sciences, Hakim Sabzevari University, P.O. Box 397, Postal Code 9617976487, Sabzevar, Iran
Ali Akbar Estaji Faculty of Mathematics and Computer Sciences, Hakim Sabzevari University, Sabzevar, Iran.
Farkhonde Farzalipour Department of Mathematics, Payame Noor University (PNU), P.O.BOX 19395-3697 Tehran, Iran,
M. Fatehinia
Gholam Hossein Fath Tabar University of Kashan
Fariba Fayazi University of Qom
Hosein Fazaeli Moghimi Department of Mathematics, University of Bir- jand, Birjand, Iran
F. Frouzesh
Batoul Ganji Saffar Department of Mathematics, Faculty of Mathematical Sciences, Alzahra University, Tehran, Iran
M. Ghadiri Yazd University
Ali Ghalavand University of Kashan
mohsen ghasemi department of mathematics
Peyman Ghiasvand Department of Mathematics, Payame Noor University (PNU), P.O.BOX 19395-3697 Tehran, Iran,
Mohammad Gholami Shahrekord University
Ebrahim Ghorbani k.n.t. university
M. Ghorbani Shahid Rajaee Teacher Training University
Modjtaba Ghorbani Department of Math, Srtt University
Michael Giudici University of Western Australia
Mahdiyeh Haddadi Deprtment of Mathematics, Semnan University, Semnan, Iran
Asma Hamzeh University of Kashan
habib Harizavi Department of Mathematics, Faculty of Mathematical Sciences and Computer, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Abdullah Harmanci
Dariush Heidari Faculty of science, Mahallat institute of higher education, Mahallat, Iran
Kostaq Hila University of Gjirokastra
M. Holcapek University of Ostrava, Institute for Research and Applications of Fuzzy Modeling, Centre of Excellence IT4Innovations, 30.dubna 22, 70103Ostrava, Czech Republic
Mohammad Reza Hooshmandasl Yazd University
Mehrab Hosseinpour Department of Mathematics, University of Mazandaran
Shuliang Huang
Nasrin Jafari
Nader Jafari Rad
Somayeh Jahari Department of Mathematics Yazd University, Yazd, Iran
Shahrooz Janbaz Malek Ashtar University
Tibor Juhasz Institute of Mathematics and Informatics Eszterházy Károly University Eger, Hungary
Young Bae Jun Department of Mathematics Education, Gyeong sang National university, Chinju, Korea
azam Kaheni Department of Mathematics, University of Birjand,Birjand, Iran.
Reza Kahkeshani Department of Pure Mathematics, Faculty of Mathematical Sciences, University of Kashan, Kashan, Iran
Leili Kamali Ardekani Faculty of Engineering, Ardakan University, P.O. Box 184, Ardakan, Iran.
Omidali Karamzadeh Department of mathematics, Shahid Chamran university of Ahvaz, Ahvaz, Iran
Engin Kaynar Amasya University
Derya Keskin Department of Mathematics, Hacettepe University, Turkey
Noor Khan Central University of Kashmir
Mehdi Khoramdel Department of Mathematics, University of Guilan, Iran
Mahdi Reza Khorsandi Faculty of Mathematical Sciences, Shahrood University of Technology, Shahrood, Iran
Hossein Khorshidi
H.S Kim Research Institute for Natural Sci., Department of Mathematics, Hanyang University, Seoul 04763, Korea
KYUNG HO KIM Department of Mathematics Korea National University of Transportation Chungju 27469, Korea
nader Kouhestani Sistan and Baluchestan University
klavdija Kutnar University of Primorska
Sang Cheol Lee Department of Mathematics Education Chonbuk National University Jeonju 561-756, Korea
Mark. L Lewis Kent state uni
Weijun Liu School of Sciences, Nantong University, Nantong, Jiangsu, 226007, PR China
Andrea Lucchini
Ali Madanshekaf
Lotf Ali Mahdavi Department of Mathematics, Faculty of Mathematical Sciences, University of Mazandaran, Babolsar, Iran
Razieh Mahjoob
Hamidreza Maimani
Wei Meng
Saeed Mirvakili Department of Mathematics, Payame Noor University
Melanija Mitrovic University of Nis
E. Mohamadzadeh
Doost Ali Mojdeh
Ali Reza Moniri Hamzekolaee Department of Mathematics, Faculty of Mathematical Sciences, University of Mazandaran, Babolsar
Jamshid Moori Faculty of Agriculture, Science and Technology
Hajjat Mostafanasab University of Mohaghegh Ardabili
Zohreh Mostaghim School of Mathematics, Iran University of Science and Technology, Tehran, Iran.
somayeh motamed Department of Mathematics Islamic Azad University of Bandar Abbas, Iran.
H Mousavi university of tabriz
Hamid Mousavi university of tabriz
Fateme Movahedi Department of Mathematics, Golestan University
Intan Muchtadi-Alamsyah Bandung Institute of Technology
G. Muhiuddin Department of Mathematics, Faculty of Science University of Tabuk, P.O. Box-741 Tabuk-71491, Saudi Arabia.
alireza naghipour shahrkord university
Alireza Najafizadeh Department of Mathematics, Payame Noor University, P.O.Box 19395-3697 Tehran, Iran
Zahra Nazemian
CELİL NEBIYEV ONDOKUZ MAYIS UNIVERSITY, FACULTY OF EDUCATION SCIENCES, DEPARTMENT OF MATHEMATICS
Reza Nekooei Shahid Bahonar University, Kerman, Iran
S. Niazian Shahid beheshti university
reza nikandish
A. Nikkhah
Peyman Niroomand
Wondwosen Norahun Department of Mathematics, College of Natural and Computational Sciences, University of Gondar, Gondar, Ethiopia
Mohammad Reza Oboudi Shiraz University
Reza Orfi
Akbar Paad Department of Mathematics, University of Bojnord, Bojnord, Iran
Mohsen Parvizi Department of Pure Mathematics, Ferdowsi University of Mashhad, P. O. Box 1159, Mashhad 91775, Iran
Shiroyeh Payrovi Imam Khomeini International University
Gustavo Pelaitay Universidad Nacional de San Juan
Mohammad Reza Piri
Abdolrasoul Pourabbas Amirkabir University
Saqib Mazher Qurashi
Akefe Radfar Payam Noor University
Farhad Rahmati Department of Mathematics, Amirkabir university of technology, Tehran, Iran
B. R. Rakshith Department of Studies in Mathematics, University of Mysore, India.
Hossein Rashmanlou Department of Mathematics, Islamic Azad University, Central Tehran Branch, Tehran, Iran
Saeed Rasouli Department of Mathematics, Persian Gulf University, Bushehr, 75169, IRAN
Akbar Rezaei Department of Mathemtics, Payame Noor University, Tehran, Iran
Zahra Riyahi Department of Mathematics, University of Science and Technology of Mazandaran, Behshahr, Iran
Daniel Romano International Mathematical Virtual Institute Banja Luka, Bosnia and Herzegovina
Simin Saidi Goraghani Farhangian University, Kerman, Iran
Mohammad Salahshour Islamic Azad University
Mohammad Reza Salarian
seyed Amin seyed Fakhari Institute for Research in Fundamental Sciences (IPM)
Mohammad Shahryari
Reza Sharafdini Persian Gulf University
Seyedeh Fatemeh Shariati Faculty of Mathematics and Computer Science, Amirkabir University of Technology, 424 Hafez Avenue, 15914 Tehran, Iran.
Farzad Shaveisi
Mohammad Hadi Shekarriz Yazd University
Hayder Shelash University Kufa, Iraq
Rulin Shen
Nasrin Shirali Department of Mathematical Sciences and Informatics, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Nematollah Shirmohammadi Tabriz Uinversity
H. S. Javadi Shahed University
F Smarandache New Mexico University
Pablo Spiga
E. Stitzinger
Teerapong Suksumran Chiang Mai University
Adel Tadayyonfar Lenjan Branch, Islamic Azad University, Sedeh-Lenjan, ZarinShahr 84741−68333, I. R. Iran
Behnam Talaee Department of Math. Faculty of Basic Science, Babol Noshirvani University of technology, Babol, Iran
Yahya Talebi University of Mazandaran
Özgür Taşdemir Trakya University, Edirne, Turkey
Gerima Tefera Wollo university,Ethiopia
Behnaz Tolue Department of Mathematics
David Towers Department of Mathematics and Statistics, Lancaster University, Lancaster, Ingland
Nguyen Minh Tri Department of Mathematics and Physics, University of Information Technology
Ying Wang
Zhixiang Wu
Zahra Yarahmadi Islamic Azad university, Khorramabad Branch
Omid Zahiri
Anatolii V. Zhuchok department of mechanics and mathematics, kyiv national taras shevchenko university, volodymyrska str., 64, kyiv, 01033, ukraine