À propos de cet article
Publié en ligne: 30 nov. 2017
Pages: 485 - 494
Reçu: 07 juin 2017
Accepté: 30 nov. 2017
DOI: https://doi.org/10.21042/AMNS.2017.2.00040
Mots clés
© 2017 M.S. Bruzón, T.M. Garrido and R. de la Rosa, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Bruzón, M.S.
Department of Mathematics, University of CadizCádiz, Spain
Garrido, T.M.
Department of Mathematics, University of CadizCádiz, Spain
de la Rosa, R.
Department of Mathematics, University of CadizCádiz, Spain