Il'in, V. A. <br/><br/>
Spectral theory of differential operators :  Self-adjoint differential operators  
V.A. Il'in 
 - New York :  Consultants Bureau,  c1995. 
 - xvii, 390 p. ;  26 cm. 
<br/><br/> Bibliografie p. 379,<br/>Index p. 387 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0306110377 
<br/><br/><label>LCCN: </label>95036856  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selfadjoint operators
<br/><br/><label>LC Class. No.: </label>QA329.2 
<br/><br/><label>Dewey Class. No.: </label>515