@inproceedings{STOC-1977-Beatty,
	author        = "John C. Beatty",
	booktitle     = "{Proceedings of the Ninth Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800105.803402",
	pages         = "122--131",
	publisher     = "{ACM}",
	title         = "{Iteration Theorems for LL(k) Languages}",
	year          = 1977,
}