00326nam a2200121Ia 45000030006000000080041000060400015000471000028000622450076000902600009001665460012001750050017001870STCL150530s9999 xx 000 0 und d aSTCLcSTCL aFraenkel Abraham, A. Ed aStudies in logic and the foundations of mathematics abstract set theory c1961 aEnglish20220125165920.0