@inproceedings{STOC-1972-Sethi,
	author        = "Ravi Sethi",
	booktitle     = "{Proceedings of the Fourth Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800152.804918",
	pages         = "222--237",
	publisher     = "{ACM}",
	title         = "{Validating Register Allocations for Straight Line Programs}",
	year          = 1972,
}