TY - JOUR AU - Marcin E. Kuczma TI - Differentiation of implicit functions and Steinhaus' theorem in topological measure spaces JO - Colloquium Mathematicum PY - 1978 SP - 95 EP - 107 VL - 39 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-39-1-95-107/ DO - 10.4064/cm-39-1-95-107 LA - en ID - 10_4064_cm_39_1_95_107 ER -