%0 Journal Article %A Baïou, Mourad %A Barahona, Francisco %T A polyhedral study of a two level facility location model %J RAIRO - Operations Research - Recherche Opérationnelle %D 2014 %P 153-165 %V 48 %N 2 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2014003/ %R 10.1051/ro/2014003 %G en %F RO_2014__48_2_153_0