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The four color proof suffices |
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| Authors: | Appel K. Haken W. |
| Affiliation: | 1.Department of Mathematics, University of Illinois Urbana, 61801, Illinois ; |
| Abstract: | The Mathematical Intelligencer - Since no one else has communicated any other errors in the published unavoidability proof since 1976 we assume that a misunderstanding of the nature of... |
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