Zhang Yao <br/><br/>
Combinatorial Problems in Mathematical Competitions 

 -  World Scientific  WSPC/ECNUP  2011 
<br/><br/><label>ISBN: </label>9789812839503 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics