Villiers, Johan de
Mathematics of approximation
[Atlantis Press, ], 2012
 eBooks
Chui, Charles K.
Multivariate splines
Society for Industrial and Applied Mathematics, 1991
 eBooks
Research topics
Jakarta : FK-UI, 2005,
 Majalah, Jurnal, Buletin
Abdelmalek, Nabih N.
Numerical linear approximation in C
CRC Press, Taylor & Francis Group, 2008
 Buku Teks
Theory of approximation with application
edited by Alan G. Law, Badri N. Sahney
Academic Press, 1976
 Buku Teks