TY  - GEN
AU  - Oppenheim, Alan V.
AU  - Willsky, Alan S.
TI  - Signals & systems
SN  - 0138147574
U1  - 621.38223 
PY  - 1983///
CY  - New Jersey
PB  - Prentice - Hall
KW  - SIGNAL ANALYSIS AND THEORY
KW  - SIGNAL PROCESSING
ER  -