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Online veröffentlicht: 20. Juni 2022
Seitenbereich: 85 - 99
DOI: https://doi.org/10.2478/awutm-2022-0007
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© 2022 Bendehiba Senoussi et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Bendehiba Senoussi
Department of Mathematics,
Ecole Normale Supérieure de Mostaganem
Algeria
Khaled Beddani
Department of Mathematics,
Abdelhamid Ibnbadis UniversityMostaganem, Algeria
Abdelaziz Bennour
Department of Mathematics,
Abdelhamid Ibnbadis UniversityMostaganem, Algeria