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"$4$-Colouring of Generalized Signed Planar Graphs."
Yiting Jiang, Xuding Zhu (2020)
- Yiting Jiang
, Xuding Zhu:
$4$-Colouring of Generalized Signed Planar Graphs. Electron. J. Comb. 27(3): 3 (2020)

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