scientific article; zbMATH DE number 3327125
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Publication:5605752
zbMath0205.54403MaRDI QIDQ5605752
Publication date: 1970
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Planar graphs; geometric and topological aspects of graph theory (05C10) Coloring of graphs and hypergraphs (05C15)
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