Authors
Department of Mathematics, Faculty of Natural Sciences, Matej Bel University, Banská Bystrica, Slovakia
Miroslav Výbošťok
Department of Mathematics, Faculty of Natural Sciences, Matej Bel University, Banská Bystrica, Slovakia
© 2022 Roman Hric, Miroslav Výbošťok, published by University of Silesia in Katowice, Institute of Mathematics
This work is licensed under the Creative Commons Attribution 4.0 License.