@article{RO_2005__39_2_105_0,
     author = {Trandac, Huy and Baptiste, Philippe and Duong, Vu},
     title = {Airspace sectorization with constraints},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {105--122},
     publisher = {EDP-Sciences},
     volume = {39},
     number = {2},
     year = {2005},
     doi = {10.1051/ro:2005005},
     mrnumber = {2181794},
     zbl = {1121.90394},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro:2005005/}
}