%0 Journal Article %A D. S. Malyshev %T Study of boundary graph classes for colorability problems %J Diskretnyj analiz i issledovanie operacij %D 2012 %P 37-48 %V 19 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2012_19_6_a3/ %G ru %F DA_2012_19_6_a3