%0 Journal Article %A Hammack, Richard %T A cancellation property for the direct product of graphs %J Discussiones Mathematicae. Graph Theory %D 2008 %P 179-184 %V 28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2008_28_1_a12/ %G en %F DMGT_2008_28_1_a12