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

 - London  McGraw-Hill  1957 
 - 327p. 
 - International series in pure and applied mathematics .
<br/><br/><label>ISBN: </label>0-07-085740-7 
<br/><br/><label>Subjects--Index Terms: </label>Partial differential equation 
<br/><br/><label>Dewey Class. No.: </label>517.95  / SNE