Nonlinear approxim ...
Saddlepoint approx ...
Introduction to ap ...
A course in approx ...
Approximation theo ...
Pade approximants ...
Calculus&Mathemati ...
Interpolation and ...
Approximation by p ...
Algorithms for app ...
The theory of appr ...
Rational approxima ...
Optimal algorithms ...
Analysis of approx ...
An introduction to ...
Linear approximati ...
Quantitative appro ...
A primer on partia ...
Spline functions : ...
Weighted approxima ...