About this article
Published Online: Oct 02, 2020
Page range: 198 - 209
Received: May 11, 2020
Accepted: Jul 06, 2020
DOI: https://doi.org/10.2478/mjpaa-2020-0015
Keywords
© 2020 Mohamed Laghzal et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Laghzal, Mohamed
Laboratory LAMA Department of Mathematics Faculty of Sciences, Dhar El Mahraz UniversityAtlas Fez, Morocco
Khalil, Abdelouahed El
Department of Mathematics and Statistics College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU)Riyadh
Alaoui, My Driss Morchid
AMNEA Group Department of Mathematics Faculty of Sciences and Technologies, Moulay Ismail UniversityErrachidia, Morocco
Touzani, Abdelfattah
Laboratory LAMA Department of Mathematics Faculty of Sciences, Dhar El Mahraz UniversityAtlas Fez, Morocco