Oppenheim, Alan V. <br/><br/>
Discrete-time signal processing / 
Alan V. Oppenheim, Ronald W. Schafer and John R. Buck. 
 - 2nd ed. 
 - India :  Prentice Hall,  c1999 [Reprinted 2012]. 
 - 887 pages :  illustrations ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 851-858) and index. 
<br/><br/><label>ISBN: </label>9788131704929 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signal processing--Mathematics.<br/>Discrete-time systems.
<br/><br/><label>Dewey Class. No.: </label>621.3822 OPP