Gopalan, K <br/><br/>
Signals and systems 

 -  Cengage Learning  New Delhi  2009 
 - 535p.   
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9788131510872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Discrete-time system analysis<br/>Mathematical modeling  Signals and Systems<br/>Signals and Systems