Das, Ashok <br/><br/>
Field Theory : a path integral approach / 
Das, Ashok. 
 - New Delhi:  allied publisher,  2002. 
 - xv-399p;25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8177643193 
<br/><br/><label>Dewey Class. No.: </label>530 143 DAS