Authors
Mustapha Raïssouli
Department of Mathematics, Faculty of Science, Moulay Ismail University, Meknes, Morocco
Mohamed Chergui
Department of Mathematics, CRMEF Kénitra, EREAM Team, LaREAMI-Lab, Kénitra, Morocco
© 2022 Mustapha Raïssouli, Mohamed Chergui, published by Sapientia Hungarian University of Transylvania
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.