Schechter, Martin. <br/><br/>
Spectra of partial differential operators / 
Martin Schechter. 
 - 2nd. ed. 
 - Amsterdam :  North-Holland ;  1986. 
 - 310 p. ;   23 cm. 
 - North-Holland series in applied mathematics and mechanics ;  v. 14. .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 301-307. 
<br/><br/><label>ISBN: </label>044487822X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Partial differential operators.<br/>Spectral theory (Mathematics).