TY  - JOUR
AU  - Dirac, G. A.
TI  - Chromatic Number and Topological Complete Subgraphs
JO  - Canadian mathematical bulletin
PY  - 1965
SP  - 711
EP  - 715
VL  - 8
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-052-0/
DO  - 10.4153/CMB-1965-052-0
ID  - 10_4153_CMB_1965_052_0
ER  -