@article{10_37236_7879,
     author = {Fiachra Knox and Bojan Mohar},
     title = {Maximum number of colourings: 5-chromatic case},
     journal = {The electronic journal of combinatorics},
     year = {2019},
     volume = {26},
     number = {3},
     doi = {10.37236/7879},
     zbl = {1419.05077},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/7879/}
}