Every Planar Map is Four Colorable (Q55899213)
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article by Kenneth Appel et al published 1989 in Contemporary mathematics
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Every Planar Map is Four Colorable |
article by Kenneth Appel et al published 1989 in Contemporary mathematics |
Statements
Every Planar Map is Four Colorable (English)
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1989
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