1. Department of Mathematics, Faculty of Science, Jiangsu University, Zhenjiang, China + Department of Mathematics, El Obour Institutes, Cairo, Egypt
2. Department of Physics, College of Sciences, University of Bisha, Bisha, Saudi Arabia + Physics Department, Faculty of Science, Al-Azhar University, Assiut, Egypte
3. Department of Mathematical Science, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabiaf
4. Department of Mathematics, College of Science, King Khalid University, Abha, Saudi Arabia + Department of Mathematics, Faculty of Science, Al-Azhar University, Assiut, Egypt
5. Department of Mathematics, Faculty of Science, Jiangsu University, Zhenjiang, China