00323nam a2200133Ia 45000030006000000080041000060400015000471000019000622450037000812500010001182600032001285460012001600050017001720STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKreyszig Erwin  aAdvanced engineering mathematics  aFifth  bNew age internationalc1997  aEnglish20220125170023.0