[1] Birla Inst Technol & Sci, Dept Math, Pilani, India
[2] Saudi Elect Univ, Coll Sci & Theoret Studies, Dept Basic Sci, Riyadh 11673, Saudi Arabia
[3] Irkutsk Natl Res Tech Univ, Baikal Sch BRICS, Ind Math Lab, Irkutsk 664074, Russia
[4] South Ural State Univ, Dept Appl Math & Programming, Lenin Prospect 76, Chelyabinsk 454080, Russia
[5] Univ Basque Country UPV EHU, Nucl Engn & Fluid Mech Dept, Nieves Cano 12, Vitoria 01006, Spain