%0 Journal Article
%A Ziegler, Tamar
%T Universal characteristic factors and Furstenberg averages
%J Journal of the American Mathematical Society
%D 2007
%P 53-97
%V 20
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-06-00532-7/
%R 10.1090/S0894-0347-06-00532-7
%F 10_1090_S0894_0347_06_00532_7