SIAM Journal on Discrete Mathematics. 2011;25(1):401-422. doi: 10.1137/100784059 Q21.02025
5-Coloring Graphs with 4 Crossings
DOI: 10.1137/100784059
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SIAM Journal on Discrete Mathematics. 2011;25(1):401-422. doi: 10.1137/100784059 Q21.02025
DOI: 10.1137/100784059
摘要 查看摘要