TY  - BOOK
AU  - Petushev, P P
AU  - Popov, V A
TI  - Rational Approximation of Real Functions
T2  - Encyclopedia of mathematics and its Applications No.28
SN  - 9780521331074
U1  - 515.8 
PY  - 1987///
CY  - Cambridge
PB  - Cambridge University Press
ER  -