Cyclic 9-coloring of plane graphs with maximum face degree six

Min Wan, Baogang Xu. Cyclic 9-coloring of plane graphs with maximum face degree six. Ars Comb., 121:413-420, 2015.

@article{WanX15-2,
  title = {Cyclic 9-coloring of plane graphs with maximum face degree six},
  author = {Min Wan and Baogang Xu},
  year = {2015},
  researchr = {https://researchr.org/publication/WanX15-2},
  cites = {0},
  citedby = {0},
  journal = {Ars Comb.},
  volume = {121},
  pages = {413-420},
}