@article{OOPSLA-2017-YangO,
	author        = "Yanpeng Yang and Bruno C. d. S. Oliveira",
	doi           = "10.1145/3133871",
	journal       = "{Proceedings of the ACM on Programming Languages}",
	number        = "OOPSLA",
	pages         = "26",
	publisher     = "{ACM}",
	title         = "{Unifying typing and subtyping}",
	volume        = 1,
	year          = 2017,
}