%0 Journal Article %A Jackson, D. M. %A Goulden, I. P. %T The Generalisation of Tutte's Result for Chromatic Trees, by Lagrangian Methods %J Canadian journal of mathematics %D 1981 %P 12-19 %V 33 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1981-002-2/ %R 10.4153/CJM-1981-002-2 %F 10_4153_CJM_1981_002_2