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Authors

Paula Catarino

pcatarin@utad.pt

Mathematics Centre CMAT, Pole CMAT-UTAD, Department of Mathematics, University of Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados 5000-801,, Vila Real, Portugal

Maria Luisa Morgado

luisam@utad.pt

Mathematics Centre CMAT, Pole CMAT-UTAD, Department of Mathematics, University of Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados 5000-801,, Vila Real, Portugal
DOI: https://doi.org/10.1515/auom-2016-0048 | Journal eISSN: 1844-0835 | Journal ISSN: 1224-1784
Language: English
Page range: 61 - 78
Submitted on: Jun 1, 2015
Accepted on: Jul 15, 2015
Published on: Sep 21, 2017
Published by: Ovidius University of Constanta
In partnership with: Paradigm Publishing Services
Publication frequency: 3 issues per year

© 2017 Paula Catarino, Maria Luisa Morgado, published by Ovidius University of Constanta
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.