@article{RO_2014__48_3_415_0,
     author = {Gupta, Rashmi and Saxena, Ratnesh Rajan},
     title = {Fuzzy {Linear} {Fractional} {Set} {Covering} {Problem} with {Imprecise} {Costs}},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {415--427},
     publisher = {EDP-Sciences},
     volume = {48},
     number = {3},
     year = {2014},
     doi = {10.1051/ro/2014015},
     mrnumber = {3264387},
     zbl = {1296.90152},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro/2014015/}
}