Jean Berstel. Sur la densité asymptotique de langages formels. In ICALP. pages 345-358, 1972.
@inproceedings{Berstel72:0,
title = {Sur la densité asymptotique de langages formels},
author = {Jean Berstel},
year = {1972},
researchr = {https://researchr.org/publication/Berstel72%3A0},
cites = {0},
citedby = {0},
pages = {345-358},
booktitle = {ICALP},
}