TY  - BOOK
AU  - Achieser, N. I.
AU  - Hyman, Charles J., Tr.
TI  - Theory of approximation
U1  - 517.35 
PY  - 1956///
CY  - New York
PB  - Frederick Ungar
KW  - Approximate computation
N1  - Translation Of: Lektsii Po Teorii Approksimatsii
ER  -