000 00714 a2200205 4500
005 20120312112135.0
008 120312t xxu||||| |||| 00| 0 eng d
080 _a519.101
_bZHA
100 _aZhang, Yao
_919570
245 _aCombinatorial problems in mathematical competitions
300 _axii, 289p.
490 _a(Mathematical olympiad)
653 _aCombinational analysis
653 _aMathematical competitions
942 _cBK
260 _aShanghai
_bEast china normal university
_c2011
_919568
500 _av.4
020 _a9789812839497
952 _w2011-12-16
_p00066447
_v0.00
_r2012-09-20
_40
_e90
_00
_bUL
_10
_o519.101 ZHA
_d2011-12-16
_70
_cGEN
_2udc
_g0.00
_yBK
_s2012-09-14
_l1
_aUL
999 _c73561
_d73560