1. Department of Mathematics, Bahcesehir University, Istanbul 34353, Turkey
2. Department of Mathematics, Peoples’ Friendship University of Russia, 117198 Moscow, Russia
3. Institute of Mathematics and Mathematical Modeling, Almaty 050010, Kazakhstan
4. Department of Mathematics, Faculty of Arts and Sciences, Near East University, TRNC, Mersin 10, Nicosia 99138, Turkey
5. Department of Mathematics, Faculty of Physical Sciences, Kebbi State University of Science and Technology, Aliero P.O. Box 1144, Nigeria