%0 Journal Article %A Tutte, W. T. %T Chromatic Solutions %J Canadian journal of mathematics %D 1982 %P 741-758 %V 34 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-051-4/ %R 10.4153/CJM-1982-051-4 %F 10_4153_CJM_1982_051_4