%0 Journal Article
%A Zimmer, Robert J.
%T An algebraic group associated to an ergodic diffeomorphism
%J Compositio Mathematica
%D 1981
%P 59-69
%V 43
%N 1
%I Sijthoff et Noordhoff International Publishers
%U http://www.numdam.org/item/CM_1981__43_1_59_0/
%G en
%F CM_1981__43_1_59_0