TY  - BOOK
AU  - 
ED  - Steckin, S.B, ed.
TI  - Approximation of periodic functions
T2  - Proceedings of the stelov institute of mathematics
SN  - 0821830090
U1  - 515.253 
PY  - 1974///
CY  - USA
PB  - American Mathematical Society
ER  -