@inproceedings{CADE-1986-Walther,
	author        = "Christoph Walther",
	booktitle     = "{Proceedings of the Eighth International Conference on Automated Deduction}",
	doi           = "10.1007/3-540-16780-3_117",
	isbn          = "3-540-16780-3",
	pages         = "525--537",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Classification of Many-Sorted Unification Problems}",
	volume        = 230,
	year          = 1986,
}