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Some counterexamples associated with the three-color problem - MaRDI portal

Some counterexamples associated with the three-color problem (Q1139601)

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scientific article; zbMATH DE number 3675929
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Some counterexamples associated with the three-color problem
scientific article; zbMATH DE number 3675929

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    Some counterexamples associated with the three-color problem (English)
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    1980
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    non-3-colorable planar graphs
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