About this article
Published Online: Dec 31, 2020
Page range: 39 - 42
Received: Oct 07, 2019
DOI: https://doi.org/10.2478/tmmp-2020-0030
Keywords
© 2020 Rakporn Dokchann et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Dokchann, Rakporn
Department of Mathematics, Faculty of Science Burapha UniversityChon buri, Thailand
Pakapongpun, Apisit
Department of Mathematics, Faculty of Science Burapha UniversityChon buri, Thailand
Centre of Excellence in Mathematics, CHEBangkok, Thailand