1. Applied Analysis Research Group, Faculty of Mathematics and Statistics, Ton Duc Thang University, Ho Chi Minh City, Vietnam
2. Department of Mathematics, Faculty of Education for Pure Sciences, University of Thi-Qar, Iraq
3. Department of Mathematics, Faculty of Art and Sciences, Cankaya University, Ankara, Turkey
4. Institute of Space Sciences, Magurele Bucharest, Romania
5. Department of Mathematics, Huzhou University, Huzhou 313000, P. R. China
6. Hunan Provincial Key Laboratory of Mathematical Modeling and Analysis in Engineering, Changsha University of Science & Technology, Changsha 410114, P. R. China