1. Department of Mathematics and Physics, Hebei University of Architecture, Zhangjiakou, 075024, China
2. Department of Mathematics and Statistics, University of Lahore, Sargodha, Pakistan
3. Department of Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
4. Department of Mathematics, University of Chakwal, Chakwal 48800, Pakistan