%0 Journal Article
%A Ouatiki, Saliha
%A Bouzefrane, Mohamed
%T A lower bound on the global powerful alliance number in trees
%J RAIRO. Operations Research
%D 2021
%P 495-503
%V 55
%N 2
%I EDP-Sciences
%U https://www.numdam.org/articles/10.1051/ro/2021028/
%R 10.1051/ro/2021028
%G en
%F RO_2021__55_2_495_0