Methods in approxi ...
Nonlinear approxim ...
Saddlepoint approx ...
Introduction to ap ...
A course in approx ...
Approximation theo ...
Pade approximants ...
Calculus&Mathemati ...
Interpolation and ...
The theory of spli ...
Approximation algo ...
Constructive appro ...
Applied iterative ...
The total least sq ...
Numerical matrix a ...
Multivariate polys ...
Multivariate Birkh ...
Birkhoff interpola ...
The calculus of fi ...
A primer on partia ...
Spline functions : ...