%0 Journal Article %A Galeana-Sánchez, Hortensia %A Manrique, Martín %T Directed hypergraphs: a tool for researching digraphs and hypergraphs %J Discussiones Mathematicae. Graph Theory %D 2009 %P 313-335 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2009_29_2_a7/ %G en %F DMGT_2009_29_2_a7