Authors
Sushanta Kumar Mohanta
Department of Mathematics, West Bengal State University, Kolkata, India
Deep Biswas
Department of Mathematics, West Bengal State University, Kolkata, India
© 2020 Sushanta Kumar Mohanta, Deep Biswas, published by West University of Timisoara
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.