@book{136385,
	author = {Sakhnovich, Alexander. and Roitberg, Inna.},
	title = {Inverse problems and nonlinear evolution equations :},
	publisher = {Walter de Gruyter GmbH & Co., KG,},
	year = {[2013]},
	address = {Berlin ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10786169}
}