Authors
Malgorzata Klimek
Department of Mathematics, Czestochowa University of Technology, Czestochowa, Poland
Tomasz Blaszczyk
Department of Mathematics, Czestochowa University of Technology, Czestochowa, Poland
© 2025 Malgorzata Klimek, Tomasz Blaszczyk, published by University of Zielona Góra
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.