00670nam0-22002531i-450-990001212310403321000121231FED01000121231(Aleph)000121231FED0100012123120000920d1950----km-y0itay50------baengContributions to fourier analysisPrinceton [N.J.]s.e.1950Annals of mathematics studies25 ̜vol.ITUNINARICAUNIMARCBK99000121231040332116-E-251090MA1MA1Contributions to fourier analysis342746UNINAING01