%0 Journal Article %A Külshammer, Burkhard %T Roots of Simple Modules %J Canadian mathematical bulletin %D 2006 %P 96-107 %V 49 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2006-009-x/ %R 10.4153/CMB-2006-009-x %F 10_4153_CMB_2006_009_x