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"Every planar graph with girth at least 5 is (1, 9)-colorable."
Xiangwen Li, Jie Liu, Jian-Bo Lv (2022)
- Xiangwen Li, Jie Liu, Jian-Bo Lv:
Every planar graph with girth at least 5 is (1, 9)-colorable. Discret. Math. 345(6): 112818 (2022)
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