Ronald V. Book
Complexity Classes of Formal Languages
ICALP, 1972.
@inproceedings{ICALP-1972-Book,
author = "Ronald V. Book",
booktitle = "{Proceedings of the Colloquium on Automata, Languages and Programming}",
isbn = "0-7204-2074-1",
pages = "517--520",
title = "{Complexity Classes of Formal Languages}",
year = 1972,
}











