GUPTA, P.P. MALIK, G.S. YADAV, R.P.S. <br/><br/>
MATHEMATICAL PHYSICS 

 - 4th Ed. 
 - Meerut  Kedar Nath Ram Nath, Meerut   1984 
<br/><br/><label>Dewey Class. No.: </label>530.15  / GUP/MA