%0 Journal Article %A Halina Swiatak %T On alternatives equivalent to the Cauchy functional equation and a related equation. (Short Communication). %J Aequationes mathematicae %D 1981 %P 317-318 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1981__22_136884/ %F AM2_1981__22_136884