@inproceedings{LICS-1987-FreydS,
	author        = "Peter J. Freyd and Andre Scedrov",
	booktitle     = "{Proceedings of the Second Symposium on Logic in Computer Science}",
	pages         = "315--319",
	publisher     = "{IEEE Computer Society}",
	title         = "{Some Semantic Aspects of Polymorphic λ Calculus}",
	year          = 1987,
}