Oppenheim, Alan V. <br/><br/>
Signals and systems / 
Alan V. Oppenheim, Alan S. Willsky, with S. Hamid. 
 - 2nd ed. 
 - New Delhi :  Prentice Hall,  1997. 
 - xxx,957 p. ;  ( R 10, SH 02) 
 - 2nd edition. .
 - 2nd edition. .
<br/><br/> This authoritative book, highly regarded for its intellectual quality and contributions provides a solid foundation and life-long reference for anyone studying the most important methods of modern signal and system analysis. The major changes of the revision are reorganization of chapter material and the addition of a much wider range of difficulties. 
<br/><br/><label>ISBN: </label>0138147574 (hardcover) 9780138147570 (hardcover) 
<br/><br/><label>Source: </label> Pak Book  PKR 782.10 
<br/><br/><label>Dewey Class. No.: </label>621.38223