John, Fritz. <br/><br/>
Partial differential equations 
/por Fritz John 
 - 4 ed. 
 - New York :  Springer,  c1982 
 - x, 249 p. : 
 - Applied mathematical sciences .
 - Applied mathematical sciences .
<br/><br/><label>ISBN: </label>0387906096 
<br/><br/><label>LCCN: </label>97850 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecuaciones diferenciales parciales.
<br/><br/><label>Dewey Class. No.: </label>517.38  / J61