1. Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
2. Department of Science and High Technology, University of Insubria, Via Valleggio 11, 22100 Como, Italy
3. Division of Scientific Computing, Department of Information Technology, Uppsala University, Lägerhyddsv 2, hus 2, SE-751 05 Uppsala, Sweden
4. Mathematics Department, Faculty of Sciences, Umm Al-Quraa University, Makkah 24227, Saudi Arabia
5. Department of Mathematics, College of Science, Qassim University, P.O. Box 6644, Buraydah 51452, Saudi Arabia