%0 Journal Article %A S.G. Dani %T On Invariant Measures, Minimal Sets and a Lemma of Margulies. %J Inventiones mathematicae %D 1979 %P 239-260 %V 51 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1979__51_142633/ %F IM_1979__51_142633