TY  - BOOK
AU  - Zygmund, A.
TI  - Troigonometric series
SN  - 0-521-35885-x
U1  - 516.24 
PY  - 1959///
CY  - New York
PB  - Cambridge
KW  - Geometry
KW  - Mathemathics
KW  - Trigonometry
ER  -