John, Fritz, <br/><br/>
Partial differential equations 
by F. John 
 - New York  Springer-Verlag  1975 
 - viii, 250 pages :    illustration ;   26 cm. 2d ed. 
 - Applied mathematical sciences (Springer-Verlag New York Inc.) ; v.1. .
<br/><br/><label>ISBN: </label>0387901116 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial