000 00506nam a2200181 4500
008 160616s2010 000 0
245 _aProblems of number theory in mathematical competitions
100 _aHong-Bing, Yu
260 _bEast China Normal University Press, World Scientific
700 _aLei, Lin Tr.
260 _aShangai
260 _c2010
300 _a106
440 _aMathematical olympiad series ; 00002
020 _a9789814271141
942 _cBK
_2BK24140
080 _a51 OLY
999 _c24140
_d24140