John, F <br/><br/>
Partial Differential Equations/ 

 - 2nd ed. 
 - New York:  Springer-Verlag,  1975. 
 - viii,250 p .: ill.;  25cm. 
 - Applied Mathematical Science  1 .
<br/><br/><label>ISBN: </label>0387901116 
<br/><br/><label>Dewey Class. No.: </label>515.35 JOH