About this article
Published Online: Nov 08, 2019
Page range: 1 - 21
Received: May 05, 2019
Accepted: Jun 09, 2019
DOI: https://doi.org/10.2478/mjpaa-2019-0001
Keywords
© 2019 Mohammed Abdellaoui, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Abdellaoui, Mohammed
University of Fez, Faculty of Sciences Dhar El Mahraz, Laboratory LAMA, Department of MathematicsMorocco