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"Three-coloring triangle-free graphs on surfaces I. Extending a coloring to ..."
Zdenek Dvorák, Daniel Král', Robin Thomas (2016)
- Zdenek Dvorák, Daniel Král', Robin Thomas:
Three-coloring triangle-free graphs on surfaces I. Extending a coloring to a disk with one triangle. J. Comb. Theory, Ser. B 120: 1-17 (2016)
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