Institution: | 1.Department of Mathematics, Central University of Rajasthan, NH-8, Bandarsindri, Kishangarh, Ajmer, Rajasthan, 305 817, India ;2.Department of Mathematics and SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603 203, India ;3.Department of Mathematical Sciences, Indian Institute of Technology (B.H.U.), Varanasi, UP, 221 005, India ;4.School of Basic and Applied Sciences, M.L.V. Textile and Engineering College, Pratap Nagar, Pur Road, Bhilwara, Rajasthan, 311 001, India ; |