%0 Journal Article %A Denis Sjerve %T Group Actions and Generalized Preriodicity. %J Mathematische Zeitschrift %D 1976 %P 1-12 %V 149 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1976__149_172373/ %G en %F MZ_1976__149_172373