@inproceedings{LICS-1990-Kolaitis,
	author        = "Phokion G. Kolaitis",
	booktitle     = "{Proceedings of the Fifth Annual Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1990.113743",
	isbn          = "0-8186-2073-0",
	pages         = "168--180",
	publisher     = "{IEEE Computer Society}",
	title         = "{Implicit Definability on Finite Structures and Unambiguous Computations}",
	year          = 1990,
}