Oppenheim Alan V.  <br/><br/>
Signals and systems 

 - 2nd edition. 
 - New delhi :   Phi Pub.   2012. 
 - 493.  
<br/><br/><label>ISBN: </label>978-81-203-1246-3  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>621.38223  / OPP