Mathematics

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BERNOULLI, JOHANN.

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HUSSERL, EDMUND.

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COURNOT, A. A.

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OSGOOD, WILLIAM FOGG.

N.Y., G.E. Stechert & Co., 1942.

McLACHLAN, N.W.

Cambridge, University Press, 1939.

DETTMAN, JOHN W.

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SLEPIAN, DAVID.

(New York), American Telephone and Telegraph Company, 1956.