À propos de cet article
Publié en ligne: 08 juil. 2021
Pages: 249 - 264
Reçu: 23 nov. 2020
Accepté: 30 déc. 2020
DOI: https://doi.org/10.2478/auom-2021-0029
Mots clés
© 2021 Sorina-Cezarina Sfetcu, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Sfetcu, Sorina-Cezarina
Faculty of Mathematics and Computer Science, University of BucharestBucharest, Romania