@book{51532,
	author = {Sauvigny, Friedrich.},
	title = {Partial differential equations /},
	publisher = {Springer,},
	year = {2006},
	series = {Universitext},
	address = {Berlin :},
	note = {Expanded version of the German original edition},
	url = {http://www.loc.gov/catdir/enhancements/fy0825/2006929532-t.html}
}