%0 Journal Article %A Wim H. Hesselink %T Desingularizations of Varieties of Nullforms. %J Inventiones mathematicae %D 1979 %P 141-164 %V 55 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1979__55_186130/ %F IM_1979__55_186130