TY  - BOOK
AU  - Encyclopedia of Mathematics and its applications
AU  - Baker, George A., Jr.
AU  - Morris, Peter Graves
TI  - Pede approximants: : Pt.1 - Basic theory 
T2  - Encyclopedia of Mathematics and its applications
U1  - 510.3 
PY  - 1981///
CY  - Massachusetts
PB  - Addison-Wesley
ER  -