Affiliation: | 1. Department of Mathematics, Laxminarayan Institute of Technology, Nagpur, Maharashtra, Indiasdwarbhe@rediffmail.com;3. Department of Mathematics, Dr. Ambedkar College, Nagpur, Maharashtra, India;4. Department of Mathematics, R.T.M. Nagpur University, Nagpur, Maharashtra, India;5. Department of Applied Mathematics, Pillai HOC College of Engineering and Technology, University of Mumbai, Rasayani, Maharashtra, India |