1. Laboratory of Operator Theory, EDP and Applications, Department of Mathematics, Science Exact Faculty, University of El Oued, El Oued 39000, Algeria
2. Laboratory of Pure and Applied Mathematics, Amar Telidji University of Laghouat, Laghouat 03000, Algeria
3. Department of Mathematics, College of Sciences and Arts in Ar-Rass, Qassim University, Saudi Arabia
4. Department of Mathematics, College of Science, University of Ha’il, Ha’il 55473, Saudi Arabia