[1]Department of Mathematics;
Quaid-I-Azam University;
Islamabad 44000;
Pakistan;
[2]Nonlinear Analysis and Applied Mathematics (NAAM) Research Group;
Department of Mathematics;
Faculty of Science;
King Abdulaziz University;
Jeddah 21589;
Saudi Arabia;
[1]Department of Mathematics;
Quaid-I-Azam University;
Islamabad 44000;
Pakistan;
[3]Department of Mathematics;
Riphah International University;
Islamabad 44000;
Pakistan;
[2]Nonlinear Analysis and Applied Mathematics (NAAM) Research Group;
Department of Mathematics;
Faculty of Science;
King Abdulaziz University;
Jeddah 21589;
Saudi Arabia;