@article{RO_2015__49_5_879_0,
     author = {Azizi, Roza and Matin, Reza Kazemi and Saen, Reza Farzipoor},
     title = {Ranking units and determining dominance relations in the cost efficiency analysis},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {879--896},
     publisher = {EDP-Sciences},
     volume = {49},
     number = {5},
     year = {2015},
     doi = {10.1051/ro/2015034},
     mrnumber = {3549618},
     zbl = {1401.90132},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro/2015034/}
}