@article{ITA_2005__39_2_325_0,
     author = {Mr\'az, Franti\v{s}ek and Otto, Friedrich},
     title = {Hierarchies of weakly monotone restarting automata},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {325--342},
     publisher = {EDP-Sciences},
     volume = {39},
     number = {2},
     year = {2005},
     doi = {10.1051/ita:2005021},
     mrnumber = {2142116},
     zbl = {1101.68587},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2005021/}
}