TY  - BOOK
AU  - Alan V.Oppenheim
AU  - Schafer, Ronald W. 
TI  - Digital signal processing / 
SN  - 9788120305328
U1  - 621.38195 23
PY  - 1975///.
CY  - New Delhi : 
PB  - PHI Learning, 
KW  - Discrete time signal.
ER  -