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

 - New York,  McGraw-Hill,  1957. 
 - 327 p.  illus.  24 cm. 
 - International series in pure and applied mathematics .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.
<br/><br/><label>LC Class. No.: </label>QA374 .S6 1957 
<br/><br/><label>Dewey Class. No.: </label>517.38