Graef, John R.,  1942- <br/><br/>
Multiple solutions of boundary value problems :  a variational approach / 
John R. Graef, Lingju Kong 
 - New Jersey :  World Scientific,  2016 
 - x, 279 pages ;  24 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9789814696548 (hbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boundary value problems.<br/>Variational method.<br/>Differential equations.
<br/><br/><label>LC Class. No.: </label>QA379  / .G72 2016