%0 Journal Article %A L. Auslander %A J. Brezin %T Translation-Invariant Subspaces in L2 of a Compact Nilmanifold. I. %J Inventiones mathematicae %D 1973 %P 1-14 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1973__20_142200/ %F IM_1973__20_142200