About this article
Published Online: Dec 07, 2018
Page range: 51 - 63
Received: May 26, 2018
Accepted: Oct 04, 2018
DOI: https://doi.org/10.2478/awutm-2018-0004
Keywords
© 2018 Krishnendu De et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
De, Krishnendu
Kabi Sukanta MahavidyalayaBhadreswar, India
De, Uday Chand
Department of Pure Mathematics, University of CalcuttaIndia