TY  - JOUR
AU  - Simon Thomas
TI  - Universal Borel actions of countable groups
JO  - Groups, geometry, and dynamics
PY  - 2012
SP  - 389
EP  - 407
VL  - 6
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4171/ggd/161/
DO  - 10.4171/ggd/161
ID  - 10_4171_ggd_161
ER  -