About this article
Published Online: Dec 31, 2020
Page range: 507 - 514
Received: Apr 10, 2020
Accepted: Jun 07, 2020
DOI: https://doi.org/10.2478/amns.2020.2.00073
Keywords
© 2020 Dhrubajyoti Mandal, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Mandal, Dhrubajyoti
Department of Mathematics, Berhampore Girls’ CollegeBerhampore, India