1. Department of Mathematics and Statistics, College of Science, Al-Imam Mohammad Ibn Saud Islamic University, Riyadh-11566, Saudi Arabia
2. Department of Mathematics, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
3. Department of Physics and Engineering, Delaware State University, Dover, DE 19901-2277, USA
4. Department of Mathematical Sciences, Delaware State University, Dover, DE 19901-2277, USA
5. Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah-21589, Saudi Arabia