Davies, E. B. <br/><br/>
Linear operators and their spectra / 
E. Brian Davies. 
 - Cambridge :  Cambridge University Press,  2007. 
 - xii, 451 p. :  ill. ; 
<br/><br/><label>ISBN: </label>9780521866293 0521866294 
<br/><br/><label>Subjects--Index Terms: </label>Linear operators Spectral theory 
<br/><br/><label>Universal Decimal Class. No.: </label>517.983  / DAV