"Proof of a conjecture of Dirac concerning 4-critical planar graphs."

H. L. Abbott, Meir Katchalski, Bing Zhou (1994)

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DOI: 10.1016/0012-365X(94)90245-3

access: open

type: Journal Article

metadata version: 2025-01-19

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H. L. Abbott, Meir Katchalski, Bing Zhou:
Proof of a conjecture of Dirac concerning 4-critical planar graphs. Discret. Math. 132(1-3): 367-371 (1994)

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