TY - JOUR AU - M.V. Pimsner TI - Of-groups of crossed products by groups acting on trees. JO - Inventiones mathematicae PY - 1986 SP - 603 EP - 634 VL - 86 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1986__86_143410/ ID - IM_1986__86_143410 ER -