%0 Journal Article %A Frank D. Grosshans %T Contractions of the actions of reductive algebraic groups in arbitrary characteristic. %J Inventiones mathematicae %D 1992 %P 127-134 %V 107 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1992__107_1_143960/ %F IM_1992__107_1_143960