Letter by Jeffreys on Augustus de Morgan and the four-colour problem, Mathematical Gazette, June 1979

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JeffreysB/E/E54-E91/E78-E83/E79

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GB 275 JeffreysB/E/E54-E91/E78-E83/E79

Title

Letter by Jeffreys on Augustus de Morgan and the four-colour problem, Mathematical Gazette, June 1979

Date(s)

1979 (Creation)

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Item

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1p paper

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Name of creator

Jeffreys, Bertha (1903-1999) née Swirles, mathematician, wife of Sir Harold Jeffreys

(1903-1999)

Repository

St John's College Library

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Typescript; copy of letter as published. See also D51.

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Item E79 - Letter by Jeffreys on Augustus de Morgan and the four-colour problem, Mathematical Gazette, June 1979