%0 Journal Article %A A. V. Kostochka %T An upper bound on the capacity of the boundary of an antichain in an $n$-dimensional cube %J Diskretnaya Matematika %D 1989 %P 279-288 %V 1 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1989_1_3_a4/ %G ru %F DM_1989_1_3_a4