%0 Journal Article %A Chellali, Mustapha %A Haynes, Teresa %T Global alliances and independence in trees %J Discussiones Mathematicae. Graph Theory %D 2007 %P 19-27 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2007_27_1_a1/ %G en %F DMGT_2007_27_1_a1