Authors
Marin Marin
Department of Mathematics and Computer Sciences, Transilvania University of Brasov, Bdul Iuliu Maniu, nr. 50,, Brasov, Romania
Ibrahim Abbas
Department of Mathematics, Faculty of Science & Arts-Khulais, King AbdulAziz University, 1384, Jeddah, Saudi Arabia
Department of Mathematics, Faculty of Science, Sohag University, 82524, Sohag, Egypt