TY - JOUR AU - N. A. Kulikov TI - Simple lattices of congruences of finite graphs JO - Algebra i logika PY - 1990 SP - 3 EP - 14 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1990_29_1_a0/ LA - ru ID - AL_1990_29_1_a0 ER -