Epstein, Bernard. <br/><br/>
Partial differential equations/  an introduction. 
by Bernard Epstein 
 - New York,  McGraw-Hill,  1962. 
 - 273 p.  illus. 
 - International series in pure and applied mathematics .
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.
<br/><br/><label>Dewey Class. No.: </label>517.383 EPS/P