@inproceedings{STOC-1984-Levin,
	author        = "Leonid A. Levin",
	booktitle     = "{Proceedings of the 16th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800057.808713",
	pages         = "465",
	publisher     = "{ACM}",
	title         = "{Problems, Complete in “Average” Instance}",
	year          = 1984,
}