%0 Journal Article %A Cichacz, Sylwia %T Decomposition of complete bipartite digraphs and even complete bipartite multigraphs into closed trails %J Discussiones Mathematicae. Graph Theory %D 2007 %P 241-249 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2007_27_2_a2/ %G en %F DMGT_2007_27_2_a2