@book{20204,
	author = {Engel, Klaus-Jochen. and Nagel, R. and ebrary, Inc.},
	title = {One-parameter semigroups for linear evolution equations},
	publisher = {Springer,},
	year = {c2000.},
	series = {Graduate texts in mathematics ;},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10002169}
}