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

 - x 
 - N.Y.  McGraw - Hill  1961 
 - viii, 195 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equaions Equaions 
<br/><br/><label>Dewey Class. No.: </label>517.38/GRI