@inproceedings{STOC-1978-RaoultV,
	author        = "Jean-Claude Raoult and Jean Vuillemin",
	booktitle     = "{Proceedings of the 10th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800133.804334",
	pages         = "75--85",
	publisher     = "{ACM}",
	title         = "{Operational and Semantic Equivalence between Recursive Programs}",
	year          = 1978,
}