MINORSKY Nicholas <br/><br/>
Non linear oscillations. 
MINORSKY Nicholas 
 - Princeton  D.Van Nostrand Company Inc.         1962 
 - xviii,714p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>B33,7, K2/SC