TY - JOUR AU - Roboredo, Marcos Costa AU - Pessoa, Artur Alves AU - Aizemberg, Luiz TI - An exact approach for the r-interdiction median problem with fortification JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2019 SP - 505 EP - 516 VL - 53 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2017060/ DO - 10.1051/ro/2017060 LA - en ID - RO_2019__53_2_505_0 ER -