TY  - BOOK
AU  - Ditzian,Z & Totik,V
ED  - Totik, V
TI  - Moduli of smoothness
T2  - Springer series in computational mathematics 9
SN  - 0-387-96536-X
U1  - 5.08 
PY  - 1987///
CY  - New York
PB  - Springer
ER  -