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"The complexity of signed graph and edge-coloured graph homomorphisms."
Richard C. Brewster et al. (2017)
- Richard C. Brewster, Florent Foucaud, Pavol Hell, Reza Naserasr:
The complexity of signed graph and edge-coloured graph homomorphisms. Discret. Math. 340(2): 223-235 (2017)

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