%0 Journal Article %A Pavel Kostyrko %T On a local form of Jensen's functional equation. (Short Communication). %J Aequationes mathematicae %D 1985 %P 318-318 %V 29 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1985__29_137104/ %F AM2_1985__29_137104