About this article
Published Online: Jun 15, 2022
Page range: 29 - 38
Received: Dec 30, 2021
Accepted: Mar 27, 2022
DOI: https://doi.org/10.2478/amns.2021.2.00202
Keywords
© 2023 Xiuquan Zhang et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Zhang, Xiuquan
School of Mathematics and Statistics, Huanghuai UniversityP R China
Shen, Lin
School of Mathematics and Statistics, Huanghuai UniversityP R China