About this article
Published Online: Jun 07, 2023
Page range: 154 - 156
Received: May 02, 2023
Accepted: May 28, 2023
DOI: https://doi.org/10.2478/mjpaa-2023-0011
Keywords
© 2023 Omar El Fallah et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Omar El Fallah
Mohammed V University,
Faculty of sciences
Rabat, Morocco
Karim Kellay
Institut de Mathématiques de Bordeaux
Université de BordeauxFrance
Ouhabaz El Maati
Institut de Mathématiques de Bordeaux
Université de BordeauxFrance