TY - JOUR AU - Jack Oliver Button TI - Largeness of LERF and 1-relator groups JO - Groups, geometry, and dynamics PY - 2010 SP - 709 EP - 738 VL - 4 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4171/ggd/102/ DO - 10.4171/ggd/102 ID - 10_4171_ggd_102 ER -