Oppebheim, Alan V. <br/><br/>
Discrete-Time Signal Processing / 
Alan V. Oppenheim 
 - 3rd ed. 
 - New Delhi :  Pearson,  2013. 
 - 1052 p. ; 
<br/><br/> Paperback. 
<br/><br/><label>ISBN: </label>9789332535039 
<br/><br/><label>Dewey Class. No.: </label>621.38043  / OPP