00300nam a2200133Ia 45000030006000000080041000060400015000471000023000622450032000852500011001172600009001285460012001370050017001490STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChatterji,P.N.; Ed  aMathematics for competitons  aFourth  c1996  aEnglish20220125165822.0