@inproceedings{LICS-2003-GurevichS,
	author        = "Yuri Gurevich and Saharon Shelah",
	booktitle     = "{Proceedings of the 18th IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2003.1210069",
	isbn          = "0-7695-1884-2",
	pages         = "291--300",
	publisher     = "{IEEE Computer Society}",
	title         = "{Spectra of Monadic Second-Order Formulas with One Unary Function}",
	year          = 2003,
}