TY  - BOOK
AU  - Ditzian,Zeev
AU  - Totik,V.
TI  - Moduli of smoothness
SN  - 038796536X
U1  - 515 19
PY  - 1987///
CY  - New York
PB  - Springer-Verlag
KW  - Smoothness of functions
KW  - Moduli theory
N1  - Includes index; Bibliogr.: p. [219]-225
ER  -