| 刘彦佩.平面图的理论与四色问题(Ⅱ)——五色定理与四色问题的形式[J].数学研究及应用,1984,4(1):121~136 |
| 平面图的理论与四色问题(Ⅱ)——五色定理与四色问题的形式 |
| Planar Graph Theory and the Four Color Problem (Ⅱ)——Five Color Theorem and Formulation of Four color Problem |
| 投稿时间：1982-04-21 |
| DOI：10.3770/j.issn:1000-341X.1984.01.029 |
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| 英文摘要: |
| This is the second part of the series of five papers about planar graph theory and the four color problem.It contains the following five sections: §6 Related to the Euler formulal§7 Kempe chains and the five color theorem; §8 Color functions; §9Fundamental formulation of the four color problem; §10 Cubic planar graphs; |
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