%0 Journal Article %A Berežný, Štefan %A Lacko, Vladimír %T The color-balanced spanning tree problem %J Kybernetika %D 2005 %P [539] %V 41 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2005__41_4_a7/ %G en %F KYB_2005__41_4_a7