%0 Journal Article %A Karen Meagher %A Lucia Moura %A Brett Stevens %T A Sperner-type theorem for set-partition systems %J The electronic journal of combinatorics %D 2005 %V 12 %U http://geodesic.mathdoc.fr/articles/10.37236/1987/ %R 10.37236/1987 %F 10_37236_1987