@inproceedings{PPDP-2012-FilipiukNN,
	author        = "Piotr Filipiuk and Flemming Nielson and Hanne Riis Nielson",
	booktitle     = "{Proceedings of the 14th International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/2370776.2370784",
	isbn          = "978-1-4503-1522-7",
	pages         = "45--54",
	publisher     = "{ACM}",
	title         = "{Layered fixed point logic}",
	year          = 2012,
}