00829nam0-22003011i-450-990001131630403321000113163FED01000113163(Aleph)000113163FED0100011316320000920d1975----km-y0itay50------baengWalsh Functions and their Applicationsby Beauchamp.London [etc.]Academic Press1975Techniques of physicsAnalisi di fourierBeauchamp,Kenneth George<1923- >54347ITUNINARICAUNIMARCBK9900011316304033215-G-2317748MA1MA142C1042-0294A05Walsh Functions and their Applications345494UNINAING01