00801nam0-22002891i-450-990001027300403321000102730FED01000102730(Aleph)000102730FED0100010273020000920d1962----km-y0itay50------baengSpectral TheoryEdgard Raymond LorchNew YorkOxford University Press1962University texts in the mathematical sciencesAnalisi funzionaleAlgebre astratte517.00//517.36Lorch,Edgar Raymond48889ITUNINARICAUNIMARCBK99000102730040332114A-0766387FI1FI1Spectral Theory339390UNINAING01