00338nam a2200133Ia 45000030006000000080041000060400015000471000022000622450076000842600009001603000006001695460012001750050017001870STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLipschutz Seymour  aSchaums outline of theory and problems of set theory and related topics  c1976  a0  aEnglish20220125165921.0