%0 Journal Article %A M. Baran %T On the graph of a quasi-additive function. %J Aequationes mathematicae %D 1990 %P 129-133 %V 39 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1990__39_2-3_137344/ %F AM2_1990__39_2-3_137344