@inproceedings{ILPS-1997-Arenas-SanchezR,
	author        = "Puri Arenas-Sánchez and Mario Rodríguez-Artalejo",
	booktitle     = "{Proceedings of the International Symposium on Logic Programming}",
	isbn          = "0-262-63180-6",
	pages         = "53--67",
	publisher     = "{MIT Press}",
	title         = "{A Lazy Narrowing Calculus for Functional Logic Programming with Algebraic Polymorphic Types}",
	year          = 1997,
}