Greenspan, Donald <br/><br/>
Introduction to partial differential equations 

 - New York  Dover  1961 
 - viii, 195p.  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>486414507 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Partial differential equations