%0 Journal Article %A Harant, Jochen %A Henning, Michael %T On double domination in graphs %J Discussiones Mathematicae. Graph Theory %D 2005 %P 29-34 %V 25 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2005_25_1-2_a2/ %G en %F DMGT_2005_25_1-2_a2