@inproceedings{OOPSLA-2012-TardieuNPS,
	author        = "Olivier Tardieu and Nathaniel Nystrom and Igor Peshansky and Vijay A. Saraswat",
	booktitle     = "{Proceedings of the 27th Conference on Object-Oriented Programming, Systems, Languages and Applications}",
	doi           = "10.1145/2384616.2384675",
	editor        = "Gary T. Leavens and Matthew B. Dwyer",
	isbn          = "978-1-4503-1561-6",
	pages         = "811--830",
	publisher     = "{ACM}",
	title         = "{Constrained kinds}",
	year          = 2012,
}