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"Planar graphs with cycles of length neither 4 nor 7 are (3, 0, 0)-colorable."
Huihui Li, Jinghan Xu, Yingqian Wang (2014)
- Huihui Li, Jinghan Xu, Yingqian Wang:
Planar graphs with cycles of length neither 4 nor 7 are (3, 0, 0)-colorable. Discret. Math. 327: 29-35 (2014)
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