1. Mathematics Department, College of Science, Jouf University, Sakaka P.O. Box 2014, Saudi Arabia
2. Basic Science Department, Faculty of Computers and Informatics, Suez Canal University, Ismailia 41522, Egypt
3. Department of Mathematics, Faculty of Arts and Science, Amasya University, Amasya 05100, Turkey
4. Department of Mathematics, Technical University of Cluj Napoca, 400114 Cluj-Napoca, Romania
5. Department of Economic and Technical Sciences, Vasile Goldiș Western University of Arad, 310025 Arad, Romania