000 00321nam a2200145 4500
082 _a510 SIN-O
100 _aSingal, M K; Singal, A R
245 _aOlympiad mathematics
250 _a
260 _aNew Delhi
_bPitambar Publishing Company
_c2001
300 _a
490 _a
650 _aMathematics
942 _cBK
999 _c599207
_d599207