TY - JOUR AU - A. V. Kireeva TI - Subgraphs and factorizations of functional graphs JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1993 SP - 188 EP - 189 VL - 48 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1993_48_2_a16/ LA - en ID - RM_1993_48_2_a16 ER -