TY - JOUR AU - D. S. Malyshev AU - V. E. Alekseev TI - Boundary classes for the list-ranking problems in subclasses of forests JO - Diskretnyj analiz i issledovanie operacij PY - 2011 SP - 61 EP - 70 VL - 18 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DA_2011_18_6_a3/ LA - ru ID - DA_2011_18_6_a3 ER -