TY  - JOUR
AU  - Karen L. Collins
AU  - Ann Trenk
TI  - Nordhaus-Gaddum theorem for the distinguishing chromatic number
JO  - The electronic journal of combinatorics
PY  - 2013
VL  - 20
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.37236/2117/
DO  - 10.37236/2117
ID  - 10_37236_2117
ER  -