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Planar graphs without triangular 4-cycles are 3-choosable - MaRDI portal

Planar graphs without triangular 4-cycles are 3-choosable (Q2454484)

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Planar graphs without triangular 4-cycles are 3-choosable
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    Planar graphs without triangular 4-cycles are 3-choosable (English)
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    13 June 2014
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    Steinberg's conjecture
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    Euler's formula
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