@inproceedings{STOC-1997-KilianPT,
	author        = "Joe Kilian and Erez Petrank and Gábor Tardos",
	booktitle     = "{Proceedings of the 29th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/258533.258643",
	isbn          = "0-89791-888-6",
	pages         = "496--505",
	publisher     = "{ACM}",
	title         = "{Probabilistically Checkable Proofs with Zero Knowledge}",
	year          = 1997,
}