Every planar map is four colorable (Q56390610)
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article by K. Appel & W. Haken published 1 September 1976 in Bulletin of the American Mathematical Society
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Every planar map is four colorable |
article by K. Appel & W. Haken published 1 September 1976 in Bulletin of the American Mathematical Society |
Statements
Every planar map is four colorable (English)
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1 September 1976
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82
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5
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711-713
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