1. Department of Mathematics, University of Sargodha, Sargodha 40100, Pakistan
2. IT4Innovations, VSB-Technical University of Ostrava, 70800 Ostrava, Czech Republic
3. Department of Computer Science and Mathematics, Lebanese American University, Byblos 1102 2801, Lebanon
4. Department of Mathematics and Statistics, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia