@inproceedings{CL-2000-Apt,
	author        = "Krzysztof R. Apt",
	booktitle     = "{Proceedings of the First International Conference on Computational Logic}",
	doi           = "10.1007/3-540-44957-4_4",
	isbn          = "3-540-67797-6",
	pages         = "53--69",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Denotational Semantics for First-Order Logic}",
	volume        = 1861,
	year          = 2000,
}