@article{ITA_2009__43_4_779_0,
     author = {Carrasco, Rafael C. and Daciuk, Jan},
     title = {A perfect hashing incremental scheme for unranked trees using pseudo-minimal automata},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {779--790},
     publisher = {EDP-Sciences},
     volume = {43},
     number = {4},
     year = {2009},
     doi = {10.1051/ita/2009018},
     mrnumber = {2589993},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita/2009018/}
}