Gunther Nurnberger

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
Approximation by Spline Functions	978-0-387-51618-9 (0-387-51618-2)	1989
Multivariate Approximation and Splines	978-0-8176-5654-6 (0-8176-5654-5)	1997	Jochen W. Schmidt · Guido Walz