TY - JOUR AU - G. F. Stepanets TI - Basis systems of vector cycles with extremal properties in graphs JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1964 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1964_19_2_a10/ LA - ru ID - RM_1964_19_2_a10 ER -