01109nam0-22004091i-450 99000114411040332120200210104736.00-12-206280-9000114411FED01000114411(Aleph)000114411FED0100011441120000920d1980----km-y0itay50------baengGBOne-parameter semigroupsEdward Brian DaviesLondon [etc.]Academic Press1980viii, 230 p.24 cmL.M.S. Monographs15Semigruppi di operatori lineariTeoria degli operatoriOperatori simmetrici ed autoaggiuntiNon limitati512.2Davies,Edward Brian51945ITUNINARICAUNIMARCBK990001144110403321C-65-(155487MA102 28 D 13408FINBNFINBNMA147D0347-0247B25One-parameter semigroups344735UNINAING01