@inproceedings{CADE-1982-Smith,
	author        = "Douglas R. Smith",
	booktitle     = "{Proceedings of the Sixth International Conference on Automated Deduction}",
	doi           = "10.1007/BFb0000059",
	isbn          = "3-540-11558-7",
	pages         = "172--193",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Derived Preconditions and Their Use in Program Synthesis}",
	volume        = 138,
	year          = 1982,
}