Sneddon, Ian Naismith <br/><br/>
Elements of partial differential equations / 
Ian N. Sneddon 
 - New York :  McGraw-Hill,  1957 
 - ix, 327 p. :  ill. ;  26 cm. 
 - International series in pure and applied mathematics .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial