@article{POPL-2019-ParkHSR,
	author        = "Gyunghee Park and Jaemin Hong and Guy L. Steele Jr. and Sukyoung Ryu",
	doi           = "10.1145/3290324",
	journal       = "{Proceedings of the ACM on Programming Languages}",
	number        = "POPL",
	pages         = "28",
	publisher     = "{ACM}",
	title         = "{Polymorphic symmetric multiple dispatch with variance}",
	volume        = 3,
	year          = 2019,
}