TY - JOUR AU - Gilbert Baumslag AU - Frank B. Cannonito TI - Infinitely Generated Subgroups of Finitely Presented Groups.I. JO - Mathematische Zeitschrift PY - 1977 SP - 117 EP - 134 VL - 153 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1977__153_172485/ ID - MZ_1977__153_172485 ER -