Authors
Shishir Gupta
Department of Applied Mathematics Indian Institute of Technology (Indian School of Mines),, Dhanbad, India
Smita
Department of Applied Mathematics Indian Institute of Technology (Indian School of Mines),, Dhanbad, India
© 2017 Shishir Gupta, Smita, published by University of Zielona Góra
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.