Map Colour Theorems Related To the Heawood Colour Formula

DOI10.1112/jlms/s1-31.4.460zbMath0071.17701OpenAlexW1995650785MaRDI QIDQ3233714

G. A. Dirac

Publication date: 1956

Published in: Journal of the London Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/jlms/s1-31.4.460

zbMATH Keywords

topology

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