@article{a4db5f059f8b48d6ae2da6163c929855,
title = "A three-restricted normal form theorem for ETOL languages",
keywords = "ETOL systems, L systems, k-restriction, normal form, parallel rewriting",
author = "Takashi Yokomori and Derick Wood and Lange, {Klaus J{\"o}rn}",
year = "1982",
month = may,
day = "16",
doi = "10.1016/0020-0190(82)90061-8",
language = "English",
volume = "14",
pages = "97--100",
journal = "Information Processing Letters",
issn = "0020-0190",
publisher = "Elsevier",
number = "3",
}