TY  - BOOK
AU  - Levinson, Norman,
TI  - Gap and density theorems
U1  - Q 517.355 LEV 
PY  - 1940///
CY  - New York
PB  - American mathematical society
KW  - Fourier series
KW  - Functional, Exponential
KW  - Harmonic analysis
KW  - Integral equations
KW  - Functions of a complex variable
N1  - "In many respects a companion volume" to paley, R. E. A. C., and Wiener, N.: Fourier transformations in the complex domain, 1934 (American mathematical society Colloquium publications, vol xix)
ER  -