@article{10_37236_682,
     author = {Ararat Harutyunyan and Bojan Mohar},
     title = {Strengthened {Brooks'} theorem for digraphs of girth at least three},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/682},
     zbl = {1230.05129},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/682/}
}