Authors
Hakima Bouhadjera
Badji Mokhtar-Annaba University Faculty of Sciences, Department of Mathematics Laboratory of Applied Mathematics, Annaba, Algeria
Ouarda Saïfia
Chadli Ben Djedid University, Department of Mathematics, El tarf, Algeria
© 2023 Hakima Bouhadjera, Ouarda Saïfia, published by Lucian Blaga University of Sibiu
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.