Oppenheim, Alan V and Alan S. Willsky  <br/><br/>
Signals & systems 

 - 2nd ed. 
 - Upper Saddle River  Prentice-Hall   1997 
 - 957p  Illustrated 
<br/><br/><label>ISBN: </label>0136511759 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Systems analysis<br/>Signal theory (telecommunication)
<br/><br/><label>LC Class. No.: </label>QA 402   / .O67 1997