@article{ITA_1995__29_2_129_0,
     author = {Kari, Lila and Mateescu, Alexandru and Paun, Gheorghe and Salomaa, Arto},
     title = {On parallel deletions applied to a word},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {129--144},
     publisher = {EDP-Sciences},
     volume = {29},
     number = {2},
     year = {1995},
     mrnumber = {1329279},
     zbl = {0816.68095},
     language = {en},
     url = {http://archive.numdam.org/item/ITA_1995__29_2_129_0/}
}