Basic linear partial differential equations 
Treves, Francois, 
 - Dover ed. 
 - Mineola, N.Y. :  Dover Publications,  2006 
 - xvii, 470 p. :  ill. ;  22 cm. 
 - Dover books on mathematics .
<br/><br/> Originally published: New York : Academic Press, 1975. 
<br/><br/><label>ISBN: </label>0486453464 (pbk.) | 9780486453460 (pbk.)