The following publications are possibly variants of this publication:
- Digraph matrix partitions and trigraph homomorphismsTomás Feder, Pavol Hell, Kim Tucker-Nally. DAM, 154(17):2458-2469, 2006. [doi]
- On realizations of point determining graphs, and obstructions to full homomorphismsTomás Feder, Pavol Hell. DM, 308(9):1639-1652, 2008. [doi]
- Colourings, homomorphisms, and partitions of transitive digraphsTomás Feder, Pavol Hell, César Hernández-Cruz. ejc, 60:55-65, 2017. [doi]
- The Dichotomy of List Homomorphisms for DigraphsPavol Hell, Arash Rafiey. soda 2011: 1703-1713 [doi]