00293nam a2200133Ia 45000030006000000080041000060400015000471000021000622450028000832500010001112600009001215460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aVinogradov, I.M.  aElemetary number theory  aFifth  c1954  aEnglish20220125165932.0