%0 Journal Article %A Marcin E. Kuczma %T Differentiation of implicit functions and Steinhaus' theorem in topological measure spaces %J Colloquium Mathematicum %D 1978 %P 95-107 %V 39 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-39-1-95-107/ %R 10.4064/cm-39-1-95-107 %G en %F 10_4064_cm_39_1_95_107