Oppenheim, Alan V. <br/><br/>
Signals and systems 
Alan V. Oppenheim, Alan S. Willsky. 
 - 2nd ed.. 
 - Delhi  Pearson Education  2003 
 - xxx, 957p.: ill.; 26cm. 
<br/><br/><label>ISBN: </label>8178086883 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication; Information measurement.
<br/><br/><label>Dewey Class. No.: </label>621.3822  / O52S