Sagan, Hans <br/><br/>
Boundary and eigenvalue problems in mathematical physics / 
Hans Sagan 
 - New York :  John Wiley & Sons,  1961 
 - xviii, 381 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>61-011180 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical physics<br/>Boundary value problems