1. Basic Department, Shangrao Preschool Education College, Shangrao 334001, China
2. Departement CPST, National Higher School of Technology and Engineering, Annaba 23005, Algeria
3. School of Mathematics and Computer Science, Gannan Normal University, Ganzhou 341000, China
4. Department of Mathematics, Taibah University, Al Medinah 42353, Saudi Arabia
5. Laboratory of Analysis and Control of Differential Equations ‘ACED’, Department of Mathematics, University of 8 May 1945, Guelma 24000, Algeria