Sneddon, Ian N. <br/><br/>
Elements of partial differential equations 

 - AucklaNew Delhi  McGraw-Hill  1957 
 - ix, 327p., 22 cm. 
 - International series in pure and applied mathematics .
<br/><br/><label>ISBN: </label>0070857407 
<br/><br/><label>Dewey Class. No.: </label>515.353,  / DD, Sne