Gantmacher, F. P. <br/><br/>
Oscillation matrices and Kernels and small vibrations of mechanical systems  / 

 - rev. 
 - Providence:  American Mathematical Society,  2002 
 - vii, 310p. Bibl. Index. 
<br/><br/><label>ISBN: </label>0821831712 
<br/><br/><label>Dewey Class. No.: </label>512.5  / G211.OM