%0 Journal Article %A E. B. Kinber %T Frequency enumeration of sets %J Algebra i logika %D 1974 %P 398-419 %V 13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1974_13_4_a2/ %G ru %F AL_1974_13_4_a2