TY  - JOUR
AU  - Krzywkowski, Marcin
TI  - An upper bound on the 2-outer-independent domination number of a tree
JO  - Comptes Rendus. Mathématique
PY  - 2011
SP  - 1123
EP  - 1125
VL  - 349
IS  - 21-22
PB  - Elsevier
UR  - http://www.numdam.org/articles/10.1016/j.crma.2011.10.005/
DO  - 10.1016/j.crma.2011.10.005
LA  - en
ID  - CRMATH_2011__349_21-22_1123_0
ER  -