00320nam a2200133Ia 45000030006000000080041000060400015000471000013000622450063000752500010001382600009001485460012001570050017001690STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aFang, J.  aSchaums outline of theory and problems of abstract algebra  aFirst  c1963  aEnglish20220125165927.0