TY  - BOOK
AU  - Lorentz,G.G.
TI  - Approximation of functions / 
T2  -  Athena series: selected topics in mathematics
U1  - 511.4   23
PY  - 1966///
CY  - New York, 
PB  - Holt, Rinehart and Winston 
KW  - Approximation theory
N1  -  includes Bibliography (p.179-184) and index
ER  -