00792nam0-22002891i-450-990002560430403321000256043FED01000256043(Aleph)000256043FED0100025604320000920d1967----km-y0itay50------baENGMathematics observedHans Freudenthal.LondonWeidenfeld & Nicolson1967.256 p.22 cmWorld University Library12Logica e fondamenti511.3Freudenthal,Hans<1905-1990>12433ITUNINARICAUNIMARCBK990002560430403321MXXXII-B-1031207MASMASMathematics Observed341991UNINAING01