%0 Journal Article %A A. A. Tolstonogov %T On the theorems of Radon--Nikodym and A.\,A.~Ljapunov for a multivalued measure %J Doklady Akademii Nauk %D 1975 %P 1023-1026 %V 225 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_225_5_a9/ %G ru %F DAN_1975_225_5_a9