TY  - JOUR
AU  - Colin Maclachlan
TI  - Commensurability classes of discrete arithmetic   hyperbolic groups
JO  - Groups, geometry, and dynamics
PY  - 2011
SP  - 767
EP  - 785
VL  - 5
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4171/ggd/147/
DO  - 10.4171/ggd/147
ID  - 10_4171_ggd_147
ER  -