@book{55294,
	author = {It�o, Masami, and ebrary, Inc.},
	title = {Algebraic theory of automata and languages},
	publisher = {World Scientific,},
	year = {2004.},
	address = {River Edge, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10082164}
}