%0 Journal Article %A Helmut Völklein %T The 1-Cohomology of the Adjoint Module of a Chevalley Group. %J Forum mathematicum %D 1989 %P 1-14 %V 1 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FORUM_1989__1_3_141602/ %F FORUM_1989__1_3_141602