%0 Journal Article %A GERALD L. ITZKOWITZ %T Measurability and Continuity for a Functional Equation on a Topological Group %J Aequationes mathematicae %D 1971 %P 194-198 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1971__7_136252/ %F AM2_1971__7_136252