@inproceedings{STOC-2009-YoshidaYI,
	author        = "Yuichi Yoshida and Masaki Yamamoto and Hiro Ito",
	booktitle     = "{Proceedings of the 41st Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/1536414.1536447",
	isbn          = "978-1-60558-506-2",
	pages         = "225--234",
	publisher     = "{ACM}",
	title         = "{An improved constant-time approximation algorithm for maximum~matchings}",
	year          = 2009,
}