00289nam a2200121Ia 45000030006000000080041000060400015000471000021000622450046000832600009001295460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPonnusamy, S. Ed  aMathematics News Letter Vol.15, June 2005  c2005  aEnglish20220125165905.0