%0 Journal Article %A Chartrand, Gary %A Zhang, Ping %T On graphs with a unique minimum hull set %J Discussiones Mathematicae. Graph Theory %D 2001 %P 31-42 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2001_21_1_a2/ %G en %F DMGT_2001_21_1_a2