Institution: | 1.Department of Mathematics and Statistics, The University of Lahore, Lahore, Pakistan ;2.Department of Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia ;3.Department of Mathematics and Engineering Physics, Faculty of Engineering, Mansoura University, Mansoura, 35516, Egypt ;4.Department of Mathematics, National College of Business Administration and Economics Lahore, Lahore, Pakistan ;5.Department of Mathematics, Faculty of Sciences, University of Central Punjab, Lahore, Pakistan ; |