John, Fritz, <br/><br/>
Partial differential equations .-4th ed. 
Fritz John. 
 - 4th ed. 
 - New Delji :  Springer-India,  c1982. 
 - x, 249 p. :  ill. ; 
 - Applied mathematical sciences ;  v. 1 .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0387906096 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.
<br/><br/><label>Universal Decimal Class. No.: </label>517.95  / JOH