TY  - JOUR
AU  - Read, R. C.
AU  - Wright, E. M.
TI  - Coloured Graphs: A Correction and Extension
JO  - Canadian journal of mathematics
PY  - 1970
SP  - 594
EP  - 596
VL  - 22
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-066-1/
DO  - 10.4153/CJM-1970-066-1
ID  - 10_4153_CJM_1970_066_1
ER  -