00266nam a2200121Ia 45000030006000000080041000060400015000471000020000622450019000822600014001015460012001150050017001270STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPaul Halmos, R.  aMeasure theory  bNarosac0  aEnglish20220125165433.0