@InProceedings{l98-p53-64, AUTHOR = {Nicolas Bedon and Olivier Carton}, TITLE = {An Eilenberg Theorem for Words on Countable Ordinals}, YEAR = 1998, BOOKTITLE = {Proc.~of the 3rd Latin American Symposium on Theoretical Informatics (LATIN'98)}, ADDRESS = {Campinas, Brazil}, PAGES = {53--64}, KEYWORDS = {}}