1. Faculty of Mathematics and Computer Science, Adam Mickiewicz University, Umultowska 87, 61-614 Poznań, Poland
2. Department of Mathematical Engineering, Yıldız Technical University, Davutpasa Campus, Esenler, 34750 Istanbul, Turkey
3. Department of Mathematics, Aligarh Muslim University, Aligarh 202002, India
4. Department of Mathematics, Istanbul Ticaret University, Üsküdar, Istanbul, Turkey