À propos de cet article
Publié en ligne: 15 nov. 2019
Pages: 77 - 84
Reçu: 08 déc. 2017
DOI: https://doi.org/10.2478/tmmp-2019-0021
Mots clés
© 2019 Ivan Kupka, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Kupka, Ivan
Faculty of Mathematics, Physics and Informatics, Comenius UniversityBratislava, Slovakia