Das, Ashok <br/><br/>
Field theory  : a path integral approach 
/ by Ashok Das 
 - 3rd ed. 
 - New Jersey  World Scientific  2022 
 - 474p. 
<br/><br/><label>ISBN: </label>9781944659950 
<br/><br/><label>Dewey Class. No.: </label>530.14  / T22 DAS