TY  - DATA
AU  - Hirschman, I. I.
TI  - The decomposition of Walsh and Fourier series 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9780821899502 (online)
PY  - 1955///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0015
ER  -