00326nam a2200133Ia 45000030006000000080041000060400015000471000016000622450051000782500010001292600024001395460012001630050017001750STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKesavan, S.  aTopics in functional analysis and applications  aFirst  bWiley Easternc1989  aEnglish20220125165954.0