@inproceedings{STOC-2006-Feldman,
	author        = "Vitaly Feldman",
	booktitle     = "{Proceedings of the 38th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/1132516.1132569",
	isbn          = "1-59593-134-1",
	pages         = "363--372",
	publisher     = "{ACM}",
	title         = "{Hardness of approximate two-level logic minimization and PAC learning with membership queries}",
	year          = 2006,
}