@book{45337,
	author = {Kholevo, A. S. and ebrary, Inc.},
	title = {Quantum systems, channels, information},
	publisher = {Walter de Gruyter GmbH & Co. KG,},
	year = {2012.},
	address = {Berlin :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10649278}
}