00856nam0-22003011i-450-9900011070004033210-521-40997-7000110700FED01000110700(Aleph)000110700FED0100011070020000920d1990----km-y0itay50------baengHeat kernels and spectral theoryEdward B. DaviesCambridgeCambridge University Press1990Cambridge tracts in mathematics92Analisi funzionaleAlgebre astratte517.00//517.36Davies,Edward Brian51945ITUNINARICAUNIMARCBK99000110700040332114A-18118201FI1FI1Heat kernels and spectral theory335790UNINAING01