00303    a2200121   4500020001500000082001300015100001700028245002500045260005100070300002200121650001600143700002200159  a8120908155  a510bSIN  aSingal, M.K.  aOlympiad mathematics  aNew DelhibPitambar publishing co.c1997g1998  axiv, 406p.c23cm.  aMathematics  aSingal, Asha Rani