@article{ITA_2005__39_2_391_0,
     author = {Lohrey, Markus and Petersen, Holger},
     title = {Complexity results for prefix grammars},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {391--401},
     publisher = {EDP-Sciences},
     volume = {39},
     number = {2},
     year = {2005},
     doi = {10.1051/ita:2005024},
     mrnumber = {2142119},
     zbl = {1133.68357},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2005024/}
}