%0 Journal Article %A R. I. Tyshkevich %A A. A. Chernyak %T Yet another method of enumerating unmarked combinatorial objects %J Matematičeskie zametki %D 1990 %P 98-105 %V 48 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1990_48_6_a11/ %G ru %F MZM_1990_48_6_a11