[1] Shandong Univ Sci & Technol, Coll Math & Syst Sci, Qingdao, Peoples R China
[2] Hong Kong Univ Sci & Technol, Dept Mech & Aerosp Engn, Clear Water Bay, Hong Kong, Peoples R China
[3] King Fahd Univ Petr & Minerals, Ctr Modeling & Comp Simulat, Res Inst, Dhahran, Saudi Arabia
[4] Int Islamic Univ, Dept Math & Stat, Islamabad, Pakistan