@article{POPL-2020-MigeedP,
	author        = "Zeina Migeed and Jens Palsberg",
	doi           = "10.1145/3371097",
	journal       = "{Proceedings of the ACM on Programming Languages}",
	number        = "POPL",
	pages         = "29",
	publisher     = "{ACM}",
	title         = "{What is decidable about gradual types?}",
	volume        = 4,
	year          = 2020,
}