Zubov, V.I <br/><br/>
Theory of oscillations 
V.I. Zubov 
 - Singapore  World Scientific  1999 
 - viii  399 
 - Series on optimization 4 .
<br/><br/><label>ISBN: </label>9789810209780 
<br/><br/><label>Dewey Class. No.: </label>12.01+14.10  / ZUBO