Gupta, B D <br/><br/>
Mathematical physics 

 - 2 
 -  Vikas Publishing House Pvt. Ltd., New Delhi  1993 
 - 1238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical physics
<br/><br/><label>Dewey Class. No.: </label>PG 530.15  GUP-M2