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"A graph theoretic proof of the complexity of colouring by a local ..."
Gary MacGillivray, Jacobus Swarts, Jørgen Bang-Jensen (2011)
- Gary MacGillivray, Jacobus Swarts, Jørgen Bang-Jensen:
A graph theoretic proof of the complexity of colouring by a local tournament with at least two directed cycles. Contributions Discret. Math. 6(2) (2011)
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