TY - JOUR AU - Sysło, Maciej M. TI - A characterization of hypergraphs generated by arborescences JO - Kybernetika PY - 1979 SP - EP - 407 VL - 15 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1979__15_6_a0/ LA - en ID - KYB_1979__15_6_a0 ER -