@article{05913180,
title = {Acyclic sets in },
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {18},
year = {2011},
zbl = {1218.05062},
language = {en},
url = {http://dml.mathdoc.fr/item/05913180}
}
Milans, Kevin G.; Schreiber, Daniel H.; West, Douglas B. Acyclic sets in . The Electronic Journal of Combinatorics [electronic only], Tome 18 (2011) . http://gdmltest.u-ga.fr/item/05913180/