Gustafson, Karl E <br/><br/>
Introduction to partial differential equations and Hilbert space methods 
Karl E. Gustafson 
 - 3rd ed 
 - Mineola, NY  Dover Publications  1999 
 - xv, 448 p. : ill. ; 22 cm 
<br/><br/> Includes indexes 
<br/><br/><label>ISBN: </label>9780486612713 
<br/><br/><label>ISSN: </label>98028587 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial<br/>Hilbert space
<br/><br/><label>Dewey Class. No.: </label>515.353 GUS