%0 Journal Article
%A Simon Thomas
%T Universal Borel actions of countable groups
%J Groups, geometry, and dynamics
%D 2012
%P 389-407
%V 6
%N 2
%U http://geodesic.mathdoc.fr/articles/10.4171/ggd/161/
%R 10.4171/ggd/161
%F 10_4171_ggd_161