TY - JOUR TI - Commensurator Subgroups of Surface Groups JO - Revista colombiana de matematicas PY - 2010 SP - 1 EP - 13 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RCM_2010_44_1_a0/ ID - RCM_2010_44_1_a0 ER -