B.D. GUPTA <br/><br/>
MATHEMATICAL PHYSICS 

 - 4th 
 - NEW DELHI  VIKAS PUBLISHING HOUSE  2016 
 - I.14 
<br/><br/><label>ISBN: </label>9788125930969 
<br/><br/><label>Dewey Class. No.: </label>530.15  / GUP-M