Geretschlager Robert Et Al <br/><br/>
Central European Olympiad, a: the Mathematical Duel 

 -  World Scientific  WSPC  2017 
<br/><br/><label>ISBN: </label>9789813223912 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics