TY - JOUR AU - Baïou, Mourad AU - Barahona, Francisco TI - A polyhedral study of a two level facility location model JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2014 SP - 153 EP - 165 VL - 48 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2014003/ DO - 10.1051/ro/2014003 LA - en ID - RO_2014__48_2_153_0 ER -