00353nam a2200145Ia 45000030006000000080041000060400015000471000027000622450056000892500010001452600017001553000006001725460012001780050017001900STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBerberian Sterling, K.  aLectures in functional analysis and operator theory  aFirst  bNarosac1979  a0  aEnglish20220125165954.0