TY  - BOOK
AU  - Petrushev, P P; Popov, V A
TI  - Rational approximation of real functions
SN  - 978052117405
U1  - PET-R 
PY  - 1987///
CY  -  Cambridge
PB  - Cambridge University Press
KW  - Functions of real variables; Analysis; Mathematics
ER  -