00746nam0-22002531i-450-990001177990403321000117799FED01000117799(Aleph)000117799FED0100011779920000920d1948----km-y0itay50------baengSpectral Representation of Linear Operatorsby FRIEDRICHS K.O.New Yorks.e.1948New York University Institute of Mathematical SciencesFriedrichs,Kurt Otto40614ITUNINARICAUNIMARCBK99000117799040332121-A-12905MA1MA1Spectral Representation of Linear Operators342047UNINAING01