@inproceedings{STOC-1973-LynchMF,
	author        = "Nancy A. Lynch and Albert R. Meyer and Michael J. Fischer",
	booktitle     = "{Proceedings of the Fifth Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800125.804043",
	pages         = "130--134",
	publisher     = "{ACM}",
	title         = "{Sets that Don’t Help}",
	year          = 1973,
}