@article{ITA_1996__30_3_209_0,
     author = {Kobayashi, Nami},
     title = {The closure under division and a characterization of the recognizable $\mathcal {Z}$-subsets},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {209--230},
     publisher = {EDP-Sciences},
     volume = {30},
     number = {3},
     year = {1996},
     mrnumber = {1415829},
     zbl = {0860.68073},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1996__30_3_209_0/}
}