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

 - Mineola, NY:  Dover Publications,  1989 
 - xviii, 381 p. : ill. ; 22 cm. 
<br/><br/><label>ISBN: </label>9780486661322 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boundary value problems
<br/><br/><label>Dewey Class. No.: </label>530.15535 SAG