TY  - JOUR
AU  - Bruce Hughes
TI  - Local similarities and the Haagerup property (with an appendix by Daniel S. Farley)
JO  - Groups, geometry, and dynamics
PY  - 2009
SP  - 299
EP  - 315
VL  - 3
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4171/ggd/58/
DO  - 10.4171/ggd/58
ID  - 10_4171_ggd_58
ER  -