About this article
Published Online: Nov 18, 2022
Page range: 147 - 159
Received: Feb 16, 2021
DOI: https://doi.org/10.2478/ausm-2022-0010
Keywords
© 2022 Mustapha Raïssouli et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Raïssouli, Mustapha
Department of Mathematics, Faculty of Science, Moulay Ismail UniversityMeknes, Morocco
Chergui, Mohamed
Department of Mathematics, CRMEF Kénitra, EREAM Team, LaREAMI-LabKénitra, Morocco