Holton, Derek  <br/><br/>
Second step to mathematical olympiad problems  

 - Singapore  World Scientific Publishing  2011 
 - xi, 299p. 
 - Mathematical olympiad series; vol.7 .
<br/><br/><label>ISBN: </label>9789814327879 
<br/><br/><label>Subjects--Index Terms: </label>Mathematical olympiad - mathematics competitions - Guide Combinatorics - Geometry and number theory 
<br/><br/><label>Universal Decimal Class. No.: </label>510(079.1)  / HOL