TY - JOUR AU - Gupta, Rashmi AU - Saxena, Ratnesh Rajan TI - Fuzzy Linear Fractional Set Covering Problem with Imprecise Costs JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2014 SP - 415 EP - 427 VL - 48 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2014015/ DO - 10.1051/ro/2014015 LA - en ID - RO_2014__48_3_415_0 ER -