Authors
Gejza Wimmer
Faculty of Science, Matej Bel University, Banská Bystrica
Mathematical Institute, Slovak Academy of Sciences, Bratislava
© 2018 Petra Ráboňová, Gejza Wimmer, published by Slovak Academy of Sciences, Institute of Measurement Science
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.