@inproceedings{STOC-1970-Manna,
	author        = "Zohar Manna",
	booktitle     = "{Proceedings of the Second Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800161.805161",
	pages         = "158--168",
	publisher     = "{ACM}",
	title         = "{Second-Order Mathematical Theory of Computation}",
	year          = 1970,
}