00000nam a2200000 a 4500 20251203090503.0 511.4, D, pow Powell, MJD. Approximation theory and methods LoNew Delhion CUP 1981 vii, 339p, 22 cm. Approximation theory Eng 100 010 _ 19539 LIBSC C 9342 9342 0 0 0 0 PU PU 1998-04-08 0 511.4, D, pow 19539 BK