Baumgčartel, Hellmut <br/><br/>
Analytic perturbation theory for matrices and operators 
H. Baumgčartel 
 - Basel  Boston  Birkhčauser Verlag  1985, c1984 
 - 427 p  25 cm 
 - Operator theory, advances and applications  vol. 15 .
 - Operator theory, advances and applications .
<br/><br/> Cuprinde bibliografie si index 
<br/><br/><label>ISBN: </label>3764316640 
<br/><br/><label>LCCN: </label>84028301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matrices<br/>Linear operators<br/>Perturbation (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>512.9/434