TY  - BOOK
AU  - Powell, M J D
TI  - Approximation Theory and Methods 
SN  - 0521295149
U1  - 511/.4POW 
PY  - 1981///
CY  - London
PB  - Cambradge
KW  - Approximation theory
UR  - http://10.10.170.122:8080/browse/book/26533
ER  -