Hellwig, Gunter,  1926- <br/><br/>
Partial differential equations :  an introduction / 
Gunter Hellwig 
 - New York :  Blaisdell Pub.,  c1964 
 - xiii, 263 p. ;  26 cm. 
 - A Blaisdell book in the pure and applied sciences .
<br/><br/> Translated from the German 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 9.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial
<br/><br/><label>Dewey Class. No.: </label>517.383