Andreescu, Titu, <br/><br/>
Mathematical Olympiad challenges / 
Titu Andreescu, Rǎzvan Gelca ; foreword by Mark Saul. 
 - Boston :  Birkhäuser,  c2000. 
 - xv, 260 p. :  ill. ; 
<br/><br/><label>ISBN: </label>9788181283238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Subjects--Index Terms: </label>Mathematics-competitive examinations 
<br/><br/><label>Dewey Class. No.: </label>51(079)