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On a Heawood-type problem for maps with tangencies - MaRDI portal

On a Heawood-type problem for maps with tangencies (Q291171)

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scientific article; zbMATH DE number 6589738
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On a Heawood-type problem for maps with tangencies
scientific article; zbMATH DE number 6589738

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    On a Heawood-type problem for maps with tangencies (English)
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    7 June 2016
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    maximal chromatic number
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    2-planar graphs
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