À propos de cet article
Publié en ligne: 25 avr. 2014
Pages: 181 - 189
Reçu: 27 mars 2013
Accepté: 01 juil. 2013
DOI: https://doi.org/10.2478/v10100-012-0005-9
Mots clés
© by Svetoslav Spasov
This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Spasov, Svetoslav
Arkumarev, Volen
Dobrev, Dobromir
Dobrev, Vladimir