Institution: | 1. College of Science, China University of Petroleum (East China), Qingdao, Shandong 266580,China;2. Key Laboratory of Unconventional Oil & Gas Development, China University of Petroleum (East China), Qingdao, Shandong 266580, China;3. Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia;4. Department of Mathematics, Quaid-i-Azam University, 45320, Islamabad 44000, Pakistan |