À propos de cet article
Publié en ligne: 03 juil. 2020
Pages: 67 - 84
Reçu: 29 déc. 2019
Accepté: 30 déc. 2019
DOI: https://doi.org/10.2478/amns.2020.2.00014
Mots clés
© 2020 Morteza Sharifi et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Sharifi, Morteza
Department of Math, Shahed UniversityTehran, Iran
Raesi, Behruz
Department of Math, Shahed UniversityTehran, Iran