Kato, Tosio, 1917- <br/><br/>
A short introduction to perturbation theory for linear operators 
Tosio Kat o 
 - New York  Springer-Verlag  1982 
 - 161p. 25cm 
<br/><br/> Includes indexes 
<br/><br/>Bibliography: p.(149)-152 
<br/><br/><label>ISBN: </label>0387906665  New York 3540906665  Berlin 
<br/><br/><label>LCCN: </label>82-10505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linear operators<br/>Perturbation (Mathematics)