@inproceedings{FoSSaCS-2002-KnapikNU,
	author        = "Teodor Knapik and Damian Niwinski and Pawel Urzyczyn",
	booktitle     = "{Proceedings of the Fifth International Conference on Foundations of Software Science and Computation Structures}",
	doi           = "10.1007/3-540-45931-6_15",
	isbn          = "3-540-43366-X",
	pages         = "205--222",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Higher-Order Pushdown Trees Are Easy}",
	volume        = 2303,
	year          = 2002,
}