@article{01808181,
title = {Generalized Davenport-Schinzel sequences: Results, problems, and applications.},
journal = {Integers},
volume = {2},
year = {2002},
zbl = {1004.05004},
language = {en},
url = {http://dml.mathdoc.fr/item/01808181}
}
Klazar, Martin. Generalized Davenport-Schinzel sequences: Results, problems, and applications.. Integers, Tome 2 (2002) . http://gdmltest.u-ga.fr/item/01808181/