Zhang, Fuzhen  <br/><br/>
Schur complement and its applications  / 

 - New York:  Springer-Verlag,  2005 
 - xvi, 295p. Bibl. Index. 
 - Numerical Methods and Algorithms  v.4 .
<br/><br/><label>ISBN: </label>0387242716 
<br/><br/><label>Dewey Class. No.: </label>510.9  / Z63.SC