%0 Journal Article %A V. N. Sachkov %T Random partitions of sets with marked subsets %J Sbornik. Mathematics %D 1973 %P 485-498 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1973_21_3_a9/ %G en %F SM_1973_21_3_a9