TY  - JOUR
AU  - Greenwell, D. L.
AU  - Kronk, H. V.
TI  - Uniquely Line Colorable Graphs
JO  - Canadian mathematical bulletin
PY  - 1973
SP  - 525
EP  - 529
VL  - 16
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-086-2/
DO  - 10.4153/CMB-1973-086-2
ID  - 10_4153_CMB_1973_086_2
ER  -