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A Contribution to the Four Color Problem - MaRDI portal

A Contribution to the Four Color Problem

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Publication:5837976

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DOI10.2307/2371667zbMath0061.41305OpenAlexW2318498127MaRDI QIDQ5837976

C. Chojnacki

Publication date: 1942

Published in: American Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2371667

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Related Items (2)

Inégalités nouvelles dans le problème des quatre couleurs ⋮ Triangulation à \(V_5\) séparée dans le problème des quatre couleurs

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