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"Dichotomy for tree-structured trigraph list homomorphism problems."
Tomás Feder et al. (2011)
- Tomás Feder, Pavol Hell, David G. Schell, Juraj Stacho:
Dichotomy for tree-structured trigraph list homomorphism problems. Discret. Appl. Math. 159(12): 1217-1224 (2011)
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