À propos de cet article
Publié en ligne: 24 août 2018
Pages: 313 - 318
Reçu: 18 oct. 2017
Accepté: 31 déc. 2017
DOI: https://doi.org/10.1515/amsil-2017-0018
Mots clés
© 2018 Katarzyna Tarchała, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Tarchała, Katarzyna
Department of Geometry, Faculty of Mathematics and Computer Science, University of Łódz, Banacha,Łódz, Poland
Walczak, Paweł
Department of Geometry, Faculty of Mathematics and Computer Science, University of Łódz, Banacha,Łódz, Poland