%0 Journal Article %A Marcin Kuczma %T On discontinuous additive functions %J Fundamenta Mathematicae %D 1970 %P 383-392 %V 66 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-66-3-383-392/ %R 10.4064/fm-66-3-383-392 %G en %F 10_4064_fm_66_3_383_392