00917nam2-22003491i-450-9900014959904033210-444-50752-3000149599FED01000149599(Aleph)000149599FED0100014959920020905d2001----km-y0itay50------baengNLa---a---001yyHilbert spaces4C. ConstantinescuAmsterdamElsevierc2001xxi, 574 p.ill.24 cmNorth-Holland mathematical library61001000149595Spazi di hilbert512.5521Constantinescu,Corneliu54649ITUNINARICAUNIMARCBK990001495990403321C-32-(6118466MA1MA146LXX46CXXHilbert spaces377564UNINA