TY - JOUR AU - Robert G. Bartle TI - Implicit functions and solutions of equations in groups. JO - Mathematische Zeitschrift PY - 1955 SP - 335 EP - 346 VL - 62 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1955__62_169499/ ID - MZ_1955__62_169499 ER -