1. Department of Mathematics, Lyuliang University, P. R. China
2. Department of Applied Mathematics, Faculty of Mathematical Sciences, University of Tabriz, Tabriz, Iran
3. Natural Sciences Faculty, Lankaran State University, 50, H. Aslanov str., Lankaran, Azerbaijan
4. Department of Sustainable Finance, Plekhanov Russian University of Economics, 117997 Moscow, Russia
5. Department of Physics, Payame Noor University, P. O. Box 19395-4697, Tehran, Iran