Oppenheim, Alan V. <br/><br/>
Discrete time signal processing   
by Alan V.Oppenheim, Ronald W.Schafar 
 - New Jersey  Prentice-Hall  1989 
 - xv, 879p. 
 - Prentice-Hall signal processing series .
<br/><br/><label>ISBN: </label>013216292X 
<br/><br/><label>Dewey Class. No.: </label>621.38043  / N89