@inproceedings{STOC-1993-ArBCG,
	author        = "Sigal Ar and Manuel Blum and Bruno Codenotti and Peter Gemmell",
	booktitle     = "{Proceedings of the 25th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/167088.167288",
	isbn          = "0-89791-591-7",
	pages         = "786--795",
	publisher     = "{ACM}",
	title         = "{Checking approximate computations over the reals}",
	year          = 1993,
}