@article{ITA_2005__39_3_455_0,
     author = {Kirsten, Daniel},
     title = {Distance desert automata and the star height problem},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {455--509},
     publisher = {EDP-Sciences},
     volume = {39},
     number = {3},
     year = {2005},
     doi = {10.1051/ita:2005027},
     mrnumber = {2157045},
     zbl = {1082.20041},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ita:2005027/}
}