@inproceedings{ESOP-1994-BohmPG,
	author        = "Corrado Böhm and Adolfo Piperno and Stefano Guerrini",
	booktitle     = "{Proceedings of the Fifth European Symposium on Programming}",
	doi           = "10.1007/3-540-57880-3_9",
	editor        = "Donald Sannella",
	isbn          = "3-540-57880-3",
	pages         = "135--149",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{λ-Definition of Function(al)s by Normal Forms}",
	volume        = 788,
	year          = 1994,
}