@article{05171567,
title = {Longest alternating subsequences in pattern-restricted permutations.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {14},
year = {2007},
zbl = {1120.05004},
language = {en},
url = {http://dml.mathdoc.fr/item/05171567}
}
Firro, Ghassan; Mansour, Toufik; Wilson, Mark C. Longest alternating subsequences in pattern-restricted permutations.. The Electronic Journal of Combinatorics [electronic only], Tome 14 (2007) . http://gdmltest.u-ga.fr/item/05171567/