Li, Gang Chang, Liping  Li, Sheng   <br/><br/>
Signals and Systems  Fundamentals 

 - Berlin  De Gruyter  2015 
 - p.267 
<br/><br/><label>ISBN: </label>9783110378115 
<br/><br/><label>Dewey Class. No.: </label>621.389 L59S