1. Nonlinear Analysis and Applied Mathematics (NAAM)-Research Group Department of Mathematics, Faculty of Science , King Abdulaziz University , P.O. Box 80203 , Jeddah , 21589 , Saudi Arabia
2. Department of Mathematics, Faculty of Science , University of Jeddah , P.O. Box 80327 , Jeddah , 21589 , Saudi Arabia
3. Department of Mathematics , University of Ioannina , 451 10 , Ioannina , Greece