@inproceedings{LICS-1996-TiurynU,
	author        = "Jerzy Tiuryn and Pawel Urzyczyn",
	booktitle     = "{Proceedings of the 11th Annual IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1996.561306",
	isbn          = "0-8186-7463-6",
	pages         = "74--85",
	publisher     = "{IEEE Computer Society}",
	title         = "{The Subtyping Problem for Second-Order Types is Undecidable}",
	year          = 1996,
}