Sakhnovich, L.A., <br/><br/>
Spectral Theory of Canonical Differential Systems. Method of Operator Identities : 

 -  Birkhäuser,  1999. 
 - 202 pages 
<br/><br/><label>ISBN: </label>9783764360573 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>515.7222  / SAK