Gustafson, Karl E. <br/><br/>
Introduction to partial differential equations and Hilbert space methods / 
Karl E. Gustafson. 
 - New York :  Wiley,  1980. 
 - 270 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0471040894  RM17.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.<br/>Hilbert space.