TY  - JOUR
AU  - Dirac, G.A.
TI  - Note on the Structure of Graphs
JO  - Canadian mathematical bulletin
PY  - 1962
SP  - 221
EP  - 227
VL  - 5
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1962-021-8/
DO  - 10.4153/CMB-1962-021-8
ID  - 10_4153_CMB_1962_021_8
ER  -