%0 Journal Article
%A Jack Clark
%A Karl David
%T Finite return times for measure-preserving transformations.
%J Aequationes mathematicae
%D 1981
%P 24-29
%V 23
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1981__23_136888/
%F AM2_1981__23_136888