Rouche N <br/><br/>
Stability theory by Liapunov's direct method. 
Rouche N 
 -  1977 
<br/><br/><label>Standard No.: </label>126007 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B331, L7