APA (7th ed.) Citation

Zhang, X. (2023). 四色定理的证明和证伪. Zenodo.

Chicago Style (17th ed.) Citation

Zhang, Xizhen. 四色定理的证明和证伪. Zenodo, 2023.

MLA (9th ed.) Citation

Zhang, Xizhen. 四色定理的证明和证伪. Zenodo, 2023.

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