@inproceedings{POPL-2017-JaferyD,
	author        = "Khurram A. Jafery and Joshua Dunfield",
	booktitle     = "{Proceedings of the 44th Symposium on Principles of Programming Languages}",
	isbn          = "978-1-4503-4660-3",
	pages         = "804--817",
	publisher     = "{ACM}",
	title         = "{Sums of uncertainty: refinements go gradual}",
	year          = 2017,
}