TY - JOUR AU - N. A. Kulikov TI - Definability of graphs by lattices of congruences JO - Algebra i logika PY - 1985 SP - 13 EP - 25 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1985_24_1_a1/ LA - ru ID - AL_1985_24_1_a1 ER -