Mark-Jan Nederhof. A short proof that O_2 is an MCFL. In Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics, ACL 2016, August 7-12, 2016, Berlin, Germany, Volume 1: Long Papers. The Association for Computer Linguistics, 2016. [doi]
@inproceedings{Nederhof16,
title = {A short proof that O_2 is an MCFL},
author = {Mark-Jan Nederhof},
year = {2016},
url = {http://aclweb.org/anthology/P/P16/P16-1106.pdf},
researchr = {https://researchr.org/publication/Nederhof16},
cites = {0},
citedby = {0},
booktitle = {Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics, ACL 2016, August 7-12, 2016, Berlin, Germany, Volume 1: Long Papers},
publisher = {The Association for Computer Linguistics},
isbn = {978-1-945626-00-5},
}