Trefethen, Lloyd N. <br/><br/>
Spectra and pseudospectra  : the behavior of nonnormal matrices and operators / 

 - Princeton:  Princeton University Press,  2005 
 - xvii, 606p. Bibl. Index. 
<br/><br/> "Purchased under NBHM grant for the year 2005-2006" 
<br/><br/><label>ISBN: </label>0691119465 
<br/><br/><label>Dewey Class. No.: </label>515.72  / T786.SP