%0 Journal Article %A Karol Baron %T On Extending of Solutions of Functional Equations in a Single Variable %J Zbornik radova %D 1976 %P 23 %V 1 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZR_1976_1_9_a2/ %G en %F ZR_1976_1_9_a2