Powers, David L. <br/><br/>
Boundary value problems / 
David L. Powers. 
 - 2d ed. 
 - New York :  Academic Press,  1972 [reprinted 1979] 
 - xi, 351 p. :  ill. ;  25 cm. 
<br/><br/>Includes Bibliography and  index. 
<br/><br/><label>ISBN: </label>0125637608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boundary value problems.<br/>Differential equations, Partial.
<br/><br/><label>Dewey Class. No.: </label>515.35  / POB 1979