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"Two-floor buildings need eight colors."
Stéphane Bessy, Daniel Gonçalves, Jean-Sébastien Sereni (2015)
- Stéphane Bessy, Daniel Gonçalves, Jean-Sébastien Sereni:
Two-floor buildings need eight colors. J. Graph Algorithms Appl. 19(1): 1-9 (2015)
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