À propos de cet article
Publié en ligne: 28 déc. 2020
Pages: 217 - 228
Reçu: 12 janv. 2020
Accepté: 20 févr. 2020
DOI: https://doi.org/10.2478/auom-2020-0042
Mots clés
© 2020 Sajad Ranjbar, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Ranjbar, Sajad
Department of Mathematics, Higher Education Center of EghlidEghlid