1. Department of Mathematics, Faculty of Science, Jazan University, Jazan, Saudi Arabia
2. Department of Mathematics, Faculty of Science, Sohag University, Sohag, Egypt
3. Dipartimento di Ingegneria Meccanica e Aerospaziale, Universitá degli Studi di Roma La Sapienza, Roma, Italy
4. International Research Center on Mathematics and Mechanics of Complex Systems (M&MOCS), Universitá degli Studi dell’Aquila, L’Aquila, Italy
5. Laboratorie des Sciences des Procédés et des Matériaux (LSPM), Universitè Paris 13, Paris, France