@inproceedings{CAAP-1987-Rocca,
	author        = "Simona Ronchi Della Rocca",
	booktitle     = "{Proceedings of the Second International Joint Conference on Theory and Practice of Software Development, Volume 1: Colloquium on Trees in Algebra and Programming}",
	doi           = "10.1007/3-540-17660-8_46",
	isbn          = "3-540-17660-8",
	pages         = "37--51",
	publisher     = "{Springer}",
	title         = "{An Unification Semi-Algorithm for Intersection Type Schemes}",
	year          = 1987,
}