%0 Journal Article %A Iwo Labuda %A R. Daniel Mauldin %T Problem 24 of the "Scottish book'' concerning additive functionals %J Colloquium Mathematicum %D 1984 %P 89-91 %V 48 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-48-1-89-91/ %R 10.4064/cm-48-1-89-91 %G en %F 10_4064_cm_48_1_89_91