TY  - BOOK
AU  - Korneichuk,N.
TI  - Exact constants in approximation theory
T2  - Encyclopedia of mathematics and its applications
SN  - 9780521382342
PY  - 1991///
CY  - Cambridge, England
PB  - Cambridge University Press
KW  - Approximation theory
N1  - Includes bibliographical references and index
ER  -