About this article
Article Category: Regular Articles
Published Online: Oct 12, 2017
Page range: 415 - 428
Received: Mar 08, 2017
Accepted: Oct 12, 2017
DOI: https://doi.org/10.21042/AMNS.2017.2.00033
Keywords
© 2017 Zahra Mohammadi, Oscar Valero, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Mohammadi, Zahra
Applied Mathematics Department, University of Western OntarioLondon, Canada
Valero, Oscar
Department of Mathematics and Computer Science, Universidad de las Islas BalearesBaleares, Spain