Kato, Tosio,  1917- <br/><br/>
A short introduction to perturbation theory for linear operators/ 
Tosio Kato. 
 - New York:  Springer-Verlag,  c1982. 
 - xiii, 161 p. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. [149]-152. 
<br/><br/><label>ISBN: </label>0387906665 
<br/><br/><label>LCCN: </label>82010505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linear operators.<br/>Perturbation (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>515.724  / K19s