@inproceedings{FoSSaCS-2003-SprengerD,
	author        = "Christoph Sprenger and Mads Dam",
	booktitle     = "{Proceedings of the Sixth International Conference on Foundations of Software Science and Computation Structures}",
	doi           = "10.1007/3-540-36576-1_27",
	isbn          = "3-540-00897-7",
	pages         = "425--440",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{On the Structure of Inductive Reasoning: Circular and Tree-Shaped Proofs in the μ-Calculus}",
	volume        = 2620,
	year          = 2003,
}