About this article
Published Online: Jul 16, 2020
Page range: 212 - 221
Received: May 28, 2018
DOI: https://doi.org/10.2478/ausm-2020-0014
Keywords
© 2020 Bishwambhar Roy, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Roy, Bishwambhar
Department of Mathematics, Women’s Christian CollegeIndia