%0 Journal Article %A D. S. Malyshev %A V. E. Alekseev %T Boundary classes for the list-ranking problems in subclasses of forests %J Diskretnyj analiz i issledovanie operacij %D 2011 %P 61-70 %V 18 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2011_18_6_a3/ %G ru %F DA_2011_18_6_a3