About this article
Published Online: Aug 10, 2023
Page range: 1 - 8
Received: Jun 13, 2022
Accepted: Dec 18, 2022
DOI: https://doi.org/10.2478/udt-2023-0001
Keywords
© 2023 Dinesh Sharma Bhattarai, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Bhattarai, Dinesh Sharma
Department of Mathematics, University of OstravaOstrava, Czech Republic