@article{10_4153_CJM_1966_097_6,
     author = {Everett, C. J.},
     title = {On the {Basis} and {Chromatic} {Number} of a {Graph}},
     journal = {Canadian journal of mathematics},
     pages = {969--973},
     year = {1966},
     volume = {18},
     number = {1},
     doi = {10.4153/CJM-1966-097-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-097-6/}
}