Affiliation: | 1. Department of Mathematics, Quaid-i-Azam University, Islamabad 44000, Pakistan;2. Department of Mathematics, COMSATS Institute of Information Technology, Attock 43600, Pakistan;3. Department of Mathematics, Statistics and Physics, Qatar University, Doha 2713, Qatar;4. Shanghai Key Lab of Vehicle Aerodynamics and Vehicle Thermal Management Systems, Tongji University, Shanghai 201804, China |