%0 Journal Article %A L. Dubikajtis %A C. Ferens %A R. Ger %A M. Kuczma %T On MikusiƄski's functional equation %J Annales Polonici Mathematici %D 1973 %P 39-47 %V 28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-28-1-39-47/ %R 10.4064/ap-28-1-39-47 %G en %F 10_4064_ap_28_1_39_47