À propos de cet article
Publié en ligne: 24 janv. 2020
Pages: 164 - 178
Reçu: 17 sept. 2019
Accepté: 04 nov. 2019
DOI: https://doi.org/10.2478/mjpaa-2019-0012
Mots clés
© 2019 Albo Carlos Cavalheiro, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Cavalheiro, Albo Carlos
Department of Mathematics, State University of LondrinaLondrina, Brazil