National Academy of Sciences of Ukraine. Institute of Mathematics
Springer Nature
Elsevier
Taylor & Francis
Alexandria University, Faculty of Science
Erdal KARAPINAR
University of Maragheh
Sciendo
EMS Press
De Gruyter
Ivan Franko National University of Lviv
Maria Curie-Skłodowska University
Conspress
Academy of Sciences and Arts of Bosnia and Herzegovina
Peoples’ Friendship University of Russia (RUDN University)
Emrah Evren KARA
B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine
MDPI AG