%0 Journal Article %A László Losonczi %T Measurable solutions of a (2, 2)-type sum form functional equation. %J Aequationes mathematicae %D 1994 %P 203-222 %V 47 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1994__47_2-3_137582/ %F AM2_1994__47_2-3_137582