TY - JOUR AU - I. M. Gel'fand AU - V. S. Retakh TI - A theory of noncommutative determinants and characteristic functions of graphs JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1992 SP - 1 EP - 20 VL - 26 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1992_26_4_a0/ LA - ru ID - FAA_1992_26_4_a0 ER -