@article{01862492,
title = {Irreducible coverings by cliques and Sperner's theorem.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {DS10},
year = {2002},
zbl = {1018.05079},
language = {en},
url = {http://dml.mathdoc.fr/item/01862492}
}
Tomescu, Ioan. Irreducible coverings by cliques and Sperner's theorem.. The Electronic Journal of Combinatorics [electronic only], Tome DS10 (2002) . http://gdmltest.u-ga.fr/item/01862492/