À propos de cet article
Publié en ligne: 19 sept. 2018
Pages: 37 - 47
Reçu: 15 mai 2018
Accepté: 10 juil. 2018
DOI: https://doi.org/10.2478/cait-2018-0037
Mots clés
© 2018 Nikolay Pavlov et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Pavlov, Nikolay
Faculty of Mathematics and Informatics, University of Plovdiv Paisii HilendarskiPlovdiv, Bulgaria
Iliev, Anton
Faculty of Mathematics and Informatics, University of Plovdiv Paisii HilendarskiPlovdiv, Bulgaria
Rahnev, Asen
Faculty of Mathematics and Informatics, University of Plovdiv Paisii HilendarskiPlovdiv, Bulgaria
Kyurkchiev, Nikolay
Faculty of Mathematics and Informatics, University of Plovdiv Paisii HilendarskiPlovdiv, Bulgaria