On 4-critical planar graphs with high edge density (Q1184860)
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scientific article; zbMATH DE number 35132
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On 4-critical planar graphs with high edge density |
scientific article; zbMATH DE number 35132 |
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On 4-critical planar graphs with high edge density (English)
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28 June 1992
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4-critical planar graphs
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problems of Grünbaum
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