@article{10_37236_1987,
     author = {Karen Meagher and Lucia Moura and Brett Stevens},
     title = {A {Sperner-type} theorem for set-partition systems},
     journal = {The electronic journal of combinatorics},
     year = {2005},
     volume = {12},
     doi = {10.37236/1987},
     zbl = {1077.05097},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1987/}
}