@article{10_4153_CJM_1972_078_3,
     author = {Kronk, Hudson V. and Mitchem, John},
     title = {On {Dirac's} {Generalization} of {Brooks'} {Theorem}},
     journal = {Canadian journal of mathematics},
     pages = {805--807},
     year = {1972},
     volume = {24},
     number = {5},
     doi = {10.4153/CJM-1972-078-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-078-3/}
}