TY - JOUR AU - D. S. Malyshev TI - Critical elements in combinatorially closed families of graph classes JO - Diskretnyj analiz i issledovanie operacij PY - 2017 SP - 81 EP - 96 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DA_2017_24_1_a4/ LA - ru ID - DA_2017_24_1_a4 ER -