John, Fritz <br/><br/>
Partial differential equations   

 - 4th 
 - New York  Springer-Verlag  1982 
 - x, 249p. Index 
 - Applied Mathematical Sciences    v. 1 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>515.35  / J65.PD