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A numerical equivalent of the four color map Problem - MaRDI portal

A numerical equivalent of the four color map Problem (Q5766652)

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scientific article; zbMATH DE number 3026570
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English
A numerical equivalent of the four color map Problem
scientific article; zbMATH DE number 3026570

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    A numerical equivalent of the four color map Problem (English)
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    1937
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    Topology
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