Burton, T.A <br/><br/>
Stability & periodic solutions of ordinary & functional differential equations 
T.A. Burton 
 - Orlando  Academic Press   1985 
 - x  337 
 - Mathematics in science & engineering 178 .
<br/><br/><label>ISBN: </label>0121473619 
<br/><br/><label>Dewey Class. No.: </label>10.01  / BURT