@article{05050762,
title = {Bounding the number of edges in permutation graphs.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {13},
year = {2006},
zbl = {1098.05042},
language = {en},
url = {http://dml.mathdoc.fr/item/05050762}
}
Keevash, Peter; Loh, Po-Shen; Sudakov, Benny. Bounding the number of edges in permutation graphs.. The Electronic Journal of Combinatorics [electronic only], Tome 13 (2006) . http://gdmltest.u-ga.fr/item/05050762/