TY - JOUR AU - Calvin C. Moore AU - Robert J. Zimmmer TI - Groups Admitting Ergodic Actions with Generalized Discrete Spectrum. JO - Inventiones mathematicae PY - 1979 SP - 171 EP - 188 VL - 51 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1979__51_142628/ ID - IM_1979__51_142628 ER -