@article{RO_2020__54_6_1775_0,
     author = {Aghayi, Nazila and Salehpour, Samira},
     title = {A generalized fuzzy cost efficiency model},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {1775--1791},
     publisher = {EDP-Sciences},
     volume = {54},
     number = {6},
     year = {2020},
     doi = {10.1051/ro/2019102},
     mrnumber = {4150232},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro/2019102/}
}