À propos de cet article
Publié en ligne: 01 sept. 2018
Pages: 19 - 33
Reçu: 07 oct. 2015
DOI: https://doi.org/10.1515/puma-2015-0011
Mots clés
© 2018 Zoltán Kánnai, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Kánnai, Zoltán
Department of Mathematics, Corvinus University of BudapestBudapest, Hungary