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

 - New Delhi  Pearson Education  1997 
 - xxx,957p.  24cm. 
<br/><br/><label>ISBN: </label>8178086883 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>System analysis<br/>Signal theory
<br/><br/><label>Dewey Class. No.: </label>621.38043  / O52S