@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/