00478nam a2200193 a 450000500170000002000180001708200150003510000270005024500470007726000390012430000260016349000160018950000190020560000080022463000160023263000240024885600060027285600060027820251203114933.0  a9783319915111  a515.7bOVC  aOvchinnikov, Sergeid_  aFunctional analysisbanintroductory course  aSwitzerlandbSpringer Naturec2018  axii, 205p.c24cm.cPB  aUniveritext  aIncludes index  bc_  aMathematics  aFunctional analysis  f_  a_