Kumar, A Anand <br/><br/>
Signals and systems 

 - 3rd ed 
 - PHI Learning Private Limited, New Delhi 
 - xxii,1022 
<br/><br/><label>ISBN: </label>978-81-203-4840-0 
<br/><br/><label>Dewey Class. No.: </label>621.38043 Kum