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@article{IM_1979__51_142628, author = {Calvin C. Moore and Robert J. Zimmmer}, title = {Groups {Admitting} {Ergodic} {Actions} with {Generalized} {Discrete} {Spectrum.}}, journal = {Inventiones mathematicae}, pages = {171--188}, publisher = {mathdoc}, volume = {51}, year = {1979}, zbl = {0399.22005}, url = {http://geodesic.mathdoc.fr/item/IM_1979__51_142628/} }
Calvin C. Moore; Robert J. Zimmmer. Groups Admitting Ergodic Actions with Generalized Discrete Spectrum.. Inventiones mathematicae, Tome 51 (1979), pp. 171-188. http://geodesic.mathdoc.fr/item/IM_1979__51_142628/