Oppenheim  <br/><br/>
Discrete-time signal processing  
/ Alan V. Oppenheim, Ronald W. Schafer, John R. Buck. 
 - 2nd ed.. 
 - Upper Saddle River, New Jersey  Prentice-Hall, Inc.  1999. 
 - xxvi, 870p.  ill.  24cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0137549202  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Discrete-time systems<br/>Signal processing--Mathematics
<br/><br/><label>Dewey Class. No.: </label>621.3822 OPP 1999