00636nam0-22002411i-450-990001271040403321000127104FED01000127104(Aleph)000127104FED0100012710420000920d1919----km-y0itay50------baeng<<Les >>Spectres Numeriquesby Petrovitchs.l.Gauthier-Villars1919Petrovitch,Michel58173ITUNINARICAUNIMARCBK9900012710404033214-A-35a1651MA1MA1Spectres Numeriques380372UNINAING01