%0 Journal Article %A M. S. Matveichuk %T Jordan decomposition of measures on projections in $J$-spaces %J Funkcionalʹnyj analiz i ego priloženiâ %D 1990 %P 84-85 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1990_24_3_a18/ %G ru %F FAA_1990_24_3_a18