Sagan, Hans. <br/><br/>
Boundary and eigenvalue problems in mathematical physics. 

 - New York :  Wiley ,  c1961. 
 - 381 p.:  illus. ;  24 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical physics.<br/>Boundary value problems.
<br/><br/><label>Dewey Class. No.: </label>530.15  / SAB