00282nam a2200121Ia 45000030006000000080041000060400015000471000018000622450042000802600009001225460012001310050017001430STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSiddiqi, A.H.  aFunctional analysis with applications  c1986  aEnglish20220125165954.0