@article{ITA_1992__26_5_387_0,
     author = {Gardy, D. and Gouyou-Beauchamps, D.},
     title = {Enumerating {Davenport-Schinzel} sequences},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {387--402},
     publisher = {EDP-Sciences},
     volume = {26},
     number = {5},
     year = {1992},
     mrnumber = {1187509},
     zbl = {0769.05007},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1992__26_5_387_0/}
}