%0 Journal Article %A Sysło, Maciej M. %T A characterization of hypergraphs generated by arborescences %J Kybernetika %D 1979 %P -407 %V 15 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1979__15_6_a0/ %G en %F KYB_1979__15_6_a0