[1] Univ Appl Sci, Ferizaj 70000, Kosovo
[2] Ilirias Res Inst Www Ilirias Com, Rr Janina,2, Ferizaj 70000, Kosovo
[3] Univ Prishtina, Dept Math & Comp Sci, Ave Mother Teresa,5, Prishtine 10000, Kosovo
[4] Univ Haifa, Dept Math, IL-3498838 Haifa, Israel
[5] China Med Univ Taiwan, China Med Univ Hosp, Dept Med Res, Taichung, Taiwan
[6] Aligarh Muslim Univ, Dept Math Aligarh, Aligarh 202002, Uttar Pradesh, India