@inproceedings{STOC-2010-KawamuraC,
	author        = "Akitoshi Kawamura and Stephen A. Cook",
	booktitle     = "{Proceedings of the 42nd Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/1806689.1806758",
	isbn          = "978-1-4503-0050-6",
	pages         = "495--502",
	publisher     = "{ACM}",
	title         = "{Complexity theory for operators in analysis}",
	year          = 2010,
}