@article{ITA_2000__34_4_257_0,
     author = {Hagenah, Christian and Muscholl, Anca},
     title = {Computing $\varepsilon $-free {NFA} from regular expressions in $O(n \log ^2 (n))$ time},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {257--277},
     publisher = {EDP-Sciences},
     volume = {34},
     number = {4},
     year = {2000},
     mrnumber = {1809860},
     zbl = {0971.68091},
     language = {en},
     url = {http://www.numdam.org/item/ITA_2000__34_4_257_0/}
}