%0 Journal Article
%A Robert J. Zimmer
%T Hyperfinite Factors and Amenable Ergodic Actions.
%J Inventiones mathematicae
%D 1977
%P 23-32
%V 41
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1977__41_142483/
%F IM_1977__41_142483