About this article
Published Online: Aug 12, 2019
Page range: 153 - 161
Received: Oct 20, 2018
Accepted: Jul 25, 2019
DOI: https://doi.org/10.1515/caim-2019-0018
Keywords
© 2019 Armando Majorana, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Majorana, Armando
Department of Mathematics and Computer Science, University of CataniaItaly