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"On (k, d)-colorings and fractional nowhere-zero flows."
Luis A. Goddyn, Michael Tarsi, Cun-Quan Zhang (1998)
- Luis A. Goddyn, Michael Tarsi, Cun-Quan Zhang:
On (k, d)-colorings and fractional nowhere-zero flows. J. Graph Theory 28(3): 155-161 (1998)
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