Jean Berstel
Sur la densité asymptotique de langages formels
ICALP, 1972.
@inproceedings{ICALP-1972-Berstel, author = "Jean Berstel", booktitle = "{Proceedings of the Colloquium on Automata, Languages and Programming}", isbn = "0-7204-2074-1", pages = "345--358", title = "{Sur la densité asymptotique de langages formels}", year = 1972, }