@article{ICFP-2017-AhmedJSW,
	author        = "Amal Ahmed and Dustin Jamner and Jeremy G. Siek and Philip Wadler",
	doi           = "10.1145/3110283",
	journal       = "{Proceedings of the ACM on Programming Languages}",
	number        = "ICFP",
	pages         = "28",
	title         = "{Theorems for free for free: parametricity, with and without types}",
	volume        = 1,
	year          = 2017,
}