1. Department of Mathematics, College of Science, University of Ha’il, Ha’il 55473, Saudi Arabia
2. Mathematics Department, Faculty of Science, King Khalid University, Abha 61413, Saudi Arabia
3. Laboratory of Analysis and Control of Differential Equations “ACED”, Faculty MISM, Department of Mathematics, University of 8 May 1945 Guelma, P.O. Box 401, Guelma 24000, Algeria