00778nam0-22002651i-450-990001298510403321000129851FED01000129851(Aleph)000129851FED0100012985120000920d1951----km-y0itay50------baengIntroduction to Hilbert space and the theory of spectral multiplicityby HALMOS P.New YorkChelsea1951Spazi di hilbertHalmos,Paul Richard22815ITUNINARICAUNIMARCBK9900012985104033216-H-141311MA1MA146CXXIntroduction to Hilbert space and the theory of spectral multiplicity354719UNINAING01