Affiliation: | 1.Department of Mathematics, Jamia Millia Islamia, New Delhi 110025, India; (H.C.); (A.K.); (U.N.);2.Department of Mathematics, Deshbandhu College, New Delhi 110019, India;3.Department of Mathematics, Bhagini Nivedita College, University of Delhi, New Delhi 110043, India;4.Department of Mechanical Engineering, College of Engineering, Qassim University, Buraydah 51452, Saudi Arabia |