Authors
Hongliang Zuo
College of Mathematics and Information Science, Henan Normal University, Xinxiang, China
Xinyu Niu
College of Mathematics and Information Science, Henan Normal University, Xinxiang, China
© 2024 Hongliang Zuo, Xinyu Niu, published by Slovak Academy of Sciences, Mathematical Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.