@inproceedings{STOC-1969-Basu,
	author        = "Sanat K. Basu",
	booktitle     = "{Proceedings of the First Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800169.805421",
	pages         = "55--59",
	publisher     = "{ACM}",
	title         = "{On Classes of Computable Functions}",
	year          = 1969,
}