%0 Journal Article %A Thomas Brüstle %A Lutz Hille %T Actions of parabolic subgroups in GL_n on unipotent normal subgroups and quasi-hereditary algebras %J Colloquium Mathematicum %D 2000 %P 281-294 %V 83 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-83-2-281-294/ %R 10.4064/cm-83-2-281-294 %G en %F 10_4064_cm_83_2_281_294