@book{51217,
	author = {Koppenfels, Werner von.  and Stallmann, Friedemann,},
	title = {Praxis der konformen Abbildung /},
	publisher = {Springer-Verlag,},
	year = {1959},
	series = {Grundlehren der mathematischen Wissenschaften ;},
	address = {Berlin :},
	note = {Includes index}
}