Kato Tosio <br/><br/>
Perturbation theory for linear operators 
Kato Tosio 
 - Berlin  Springer            1995 
 - xxi;619p.  cm. 
<br/><br/><label>ISBN: </label> Euro 49.99 
<br/><br/><label>Standard No.: </label>132334 
<br/><br/><label>Source: </label> Gift, 06/01/2017,  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gift
<br/><br/><label>Dewey Class. No.: </label>B2893, N5