%0 Journal Article %A M. P. Kats %T Countable additivity of the derivatives of ``sufficiently smooth'' measures %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1973 %V 28 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1973_28_3_a15/ %G ru %F RM_1973_28_3_a15