%0 Journal Article
%A G. Hjorth
%T On invariants for measure preserving transformations
%J Fundamenta Mathematicae
%D 2001
%P 51-84
%V 169
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm169-1-2/
%R 10.4064/fm169-1-2
%G en
%F 10_4064_fm169_1_2