%0 Journal Article %A Calvin C. Moore %A Robert J. Zimmmer %T Groups Admitting Ergodic Actions with Generalized Discrete Spectrum. %J Inventiones mathematicae %D 1979 %P 171-188 %V 51 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1979__51_142628/ %F IM_1979__51_142628