Institution: | 1. Dumlupinar University, Art–Science Faculty, Department of Mathematics, 43100 Kütahya, Turkey;2. Yildiz Technical University, Art–Science Faculty, Department of Mathematics, Istanbul, Turkey;1. Firat University, Science Faculty, Department of Mathematics, 23119 Elazig, Turkey;2. Federal University Dutse, Science Faculty, Department of Mathematics, 7156 Jigawa, Nigeria;3. Department of Mathematics, Cankaya University, Ankara, Turkey;4. Institute of Space Sciences, Magurele, Romania |