Nand, Brahma <br/><br/>
Spherical harmonics and partial differential equations / 
by Brahma Nand, B. S. Tyagi and  Bhu Dev Sharma. 
 - 7th ed. 
 - Meerut :  Kedar Nath Ram Nath 
 - [3], 168p. ;  21x14cm. 
<br/><br/><label>ISBN: </label> : Rs.13.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DIFFERENTIAL EQUATIONS
<br/><br/><label>Dewey Class. No.: </label>515.353  / NAN-SPH