TY - JOUR AU - I. M. Gel'fand AU - V. A. Ponomarev TI - Gabriel's theorem is also true for representations of equipped graphs by relations JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1981 SP - 71 EP - 72 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1981_15_2_a9/ LA - ru ID - FAA_1981_15_2_a9 ER -