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DOI10.3969/J.ISSN.1673-5862.2011.04.002zbMath1265.05222MaRDI QIDQ2917863

Xiantao Meng, Wanxi Chou

Publication date: 5 October 2012

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

planar graph 4-coloring Heawood graph dual trees

Mathematics Subject Classification ID

Planar graphs; geometric and topological aspects of graph theory (05C10) Coloring of graphs and hypergraphs (05C15)

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