00697nam0-22002651i-450-990001193130403321000119313FED01000119313(Aleph)000119313FED0100011931320000920d1962----km-y0itay50------baengSpectral Theorydi LORCH Edgar Raymond.OxfordOxford University Press1962Analisi funzionaleLorch,Edgar Raymond48889ITUNINARICAUNIMARCBK9900011931304033216-F-144854MA1MA146-02Spectral Theory339390UNINAING01