@article{05576450,
title = {Maximal flat antichains of minimum weight.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {16},
year = {2009},
zbl = {1229.05261},
language = {en},
url = {http://dml.mathdoc.fr/item/05576450}
}
Grüttmüller, Martin; Hartmann, Sven; Kalinowski, Thomas; Leck, Uwe; Roberts, Ian T. Maximal flat antichains of minimum weight.. The Electronic Journal of Combinatorics [electronic only], Tome 16 (2009) . http://gdmltest.u-ga.fr/item/05576450/