Authors
Janusz Migda
Faculty of Mathematics and Computer Science, Adam Mickiewicz University, Poznań, Poland
Ewa Schmeidel
Institute of Computer Science, University of Bialystok, Białystok, Poland
© 2023 Janusz Migda, Ewa Schmeidel, published by Slovak Academy of Sciences, Mathematical Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.