Smith, M. G. <br/><br/>
Introudction to the theory of partial differential equations 

 - London   : D. Van Nostrand Company,  1967. 
 - x,213p.   : ill.   ; 23cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations<br/> partial
<br/><br/><label>LC Class. No.: </label>MATH QA374.S57