@book{264923,
	author = {John, Fritz,},
	title = {Partial differential equations /},
	publisher = {Springer-Verlag,},
	year = {c1982.},
	series = {Applied mathematical sciences ;},
	address = {New York :},
	edition = {4th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1107/81016636-d.html}
}