1. College of Science China University of Petroleum (East China) Qingdao 266580 China
2. Key Laboratory of Unconventional Oil and Gas Development China University of Petroleum (East China), Ministry of Education Qingdao 266580 China
3. Nonlinear Analysis and Applied Mathematics(NAAM)‐Research Group, Department of Mathematics King Abdulaziz University Jeddah 21589 Saudi Arabia
4. Department of Mathematics Quaid‐I‐Azam University 45320 Islamabad 44000 Pakistan