H.K. Dass and Rama Verma <br/><br/>
Mathematical physics 

 - New Delhi  S. Chand  2017 
 - xvii, 1379p.  24x17cm. 
<br/><br/><label>ISBN: </label>9788121914697  750 
<br/><br/><label>Dewey Class. No.: </label>530.15  / DAS/MAT