@article{ITA_2001__35_4_389_0,
     author = {Kuich, Werner and Sauer, N. W.},
     title = {Atoms and partial orders of infinite languages},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {389--401},
     publisher = {EDP-Sciences},
     volume = {35},
     number = {4},
     year = {2001},
     mrnumber = {1880807},
     zbl = {1112.68435},
     language = {en},
     url = {http://www.numdam.org/item/ITA_2001__35_4_389_0/}
}