About this article
Published Online: Nov 18, 2017
Page range: 93 - 102
Received: Dec 12, 2016
DOI: https://doi.org/10.1515/tmmp-2017-0008
Keywords
© 2017 L’ubica Holá et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Holá, L’ubica
Academy of Sciences, Institute of MathematicsBratislava, Slovakia
Holý, Dušan
Department of Mathematics and Computer Science, Faculty of Education, Trnava UniversityTrnava, Slovakia