J. P. Crestin
Un langage non ambigu dont le carré est d’ambiguité non bornée
ICALP, 1972.
@inproceedings{ICALP-1972-Crestin,
author = "J. P. Crestin",
booktitle = "{Proceedings of the Colloquium on Automata, Languages and Programming}",
isbn = "0-7204-2074-1",
pages = "377--390",
title = "{Un langage non ambigu dont le carré est d’ambiguité non bornée}",
year = 1972,
}