Bhatia, N.P & Szego, G.P <br/><br/>
Stability theory of dynamical systems 
N.P. Bhatia & G.P. Szego 
 - New York  Springer  1970 
 - xi  225 
 - Die grundlehren der mathematischen wissenschaften-Band 161 .
<br/><br/><label>Dewey Class. No.: </label>12.02+10.01  / BHAT