%0 Journal Article %A Preiss, David %T Completely additive disjoint system of Baire sets is of bounded class %J Commentationes Mathematicae Universitatis Carolinae %D 1974 %P 341-344 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1974__15_2_a11/ %G en %F CMUC_1974__15_2_a11