@inproceedings{FLOPS-1999-Danvy,
	author        = "Olivier Danvy",
	booktitle     = "{Proceedings of the Fourth Fuji International Symposium on Functional and Logic Programming}",
	doi           = "10.1007/10705424_16",
	isbn          = "3-540-66677-X",
	pages         = "241--250",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{An Extensional Characterization of λ-Lifting and λ-Dropping}",
	volume        = 1722,
	year          = 1999,
}