Every planar map is four colorable. II: Reducibility (Q1250224)
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scientific article; zbMATH DE number 3601603
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Every planar map is four colorable. II: Reducibility |
scientific article; zbMATH DE number 3601603 |
Statements
Every planar map is four colorable. II: Reducibility (English)
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1977
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