TY - JOUR AU - A. V. Kostochka TI - An upper bound on the capacity of the boundary of an antichain in an $n$-dimensional cube JO - Diskretnaya Matematika PY - 1989 SP - 279 EP - 288 VL - 1 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_1989_1_3_a4/ LA - ru ID - DM_1989_1_3_a4 ER -