@inproceedings{PPDP-2011-VirsedaM,
	author        = "Rafael del Vado Vírseda and Fernando Pérez Morente",
	booktitle     = "{Proceedings of the 13th International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/2003476.2003485",
	isbn          = "978-1-4503-0776-5",
	pages         = "41--52",
	publisher     = "{ACM}",
	title         = "{A modular semantics for higher-order declarative programming with constraints}",
	year          = 2011,
}