Kelsen, Pierre Algorithms and Complexity, MPI for Informatics, Max Planck Society;
https://rdcu.be/dvCit (Publisher version)
Kelsen, P. (1996). Neighborhood graphs and distributed "^" + 1-coloring. In R. Karlsson, & A. Lingas (Eds.), Algorithm Theory - SWAT '96 (pp. 223-233). Berlin, Germany: Springer.