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"A linear algorithm for five-coloring a planar graph."
Norishige Chiba, Takao Nishizeki, Nobuji Saito (1980)
- Norishige Chiba, Takao Nishizeki, Nobuji Saito:
A linear algorithm for five-coloring a planar graph. Graph Theory and Algorithms 1980: 9-19
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