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"Circular colouring and algebraic no-homomorphism theorems."
Amir Daneshgar, Hossein Hajiabolhassan (2007)
- Amir Daneshgar
, Hossein Hajiabolhassan
:
Circular colouring and algebraic no-homomorphism theorems. Eur. J. Comb. 28(6): 1843-1853 (2007)

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