@book{131983,
	author = {Bart, H. and ebrary, Inc.},
	title = {Factorization of matrix and operator functions},
	publisher = {Birkh�auser,},
	year = {c2008.},
	series = {Operator theory, advances and applications ;},
	address = {Basel ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10221686}
}