TY  - JOUR
AU  - Mojdeh, Doost Ali
AU  - Samadi, Babak
AU  - Yero, Ismael G.
TI  - Global defensive $k$-alliances in directed graphs: combinatorial and computational issues
JO  - RAIRO - Operations Research - Recherche Opérationnelle
PY  - 2020
SP  - 1027
EP  - 1040
VL  - 54
IS  - 4
PB  - EDP-Sciences
UR  - http://archive.numdam.org/articles/10.1051/ro/2019049/
DO  - 10.1051/ro/2019049
LA  - en
ID  - RO_2020__54_4_1027_0
ER  -