[1] Nanchang Inst Technol, Sch Math, Nanchang 330044, Peoples R China
[2] Capital Univ Sci & Technol CUST, Dept Math, Islamabad 44000, Pakistan
[3] Mehran UET Shaheed Zulfiqar Ali Bhutto Campus Khai, Khairpur, Pakistan
[4] Cent South Univ, Sch Math & Stat, Changsha 410083, Peoples R China
[5] Natl Univ Sci & Technol, Dept Comp Sci, Balochistan Campus NBC, Balochistan 87300, Pakistan
[6] New Valley Univ, Fac Sci, Dept Math, Al Kharga 72511, Al Wadi Al Gadi, Egypt
[7] Northern Border Univ, Fac Sci, Dept Math, Ar Ar 1321, Saudi Arabia
[8] King Khalid Univ, Coll Sci, Dept Math, Abha, Saudi Arabia
[9] Univ Putra Malaysia, Inst Math Res, Upm Serdang 43400, Selangor, Malaysia
[10] Future Univ Egypt, Fac Engn, Ctr Res, New Cairo 11835, Egypt