À propos de cet article
Publié en ligne: 02 oct. 2020
Pages: 155 - 167
Reçu: 01 juin 2020
Accepté: 10 juil. 2020
DOI: https://doi.org/10.2478/mjpaa-2020-0012
Mots clés
© 2020 M. A. Ighachane et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Ighachane, M. A.
Department of Mathematics, Faculy of Sciences-Semlalia, University Cadi AyyadMorocco
Akkouchi, M.
Department of Mathematics, Faculy of Sciences-Semlalia, University Cadi AyyadMorocco