Authors
Abderrahim Guerfi
Applied Mathematics Lab, Department of Mathematics, University of Annaba, Algeria
Abdelouaheb Ardjouni
Department of Mathematics and Informatics, University of Souk Ahras, Algeria
© 2022 Abderrahim Guerfi, Abdelouaheb Ardjouni, published by Sapientia Hungarian University of Transylvania
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.