1. Department of Mathematics and Statistics, College of Science, Taif University, Taif, Saudi Arabia
2. Mathematics Department, Faculty of Science, Sohag University, Sohag, Egypt
3. Physics Department, Faculty of Science, Aswan University, Aswan, Egypt
4. Physics Department, Faculty of Science, Jazan University, Jazan, Saudi Arabia
5. Physics Department, Faculty of Science, Zagazig University, Zagazig, Egypt