@article{RO_1991__25_1_45_0,
     author = {Chen, Reuven},
     title = {An improved method for the solution of the problem of location on an inclined plane},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {45--53},
     publisher = {EDP-Sciences},
     volume = {25},
     number = {1},
     year = {1991},
     mrnumber = {1110773},
     zbl = {0734.90053},
     language = {en},
     url = {http://archive.numdam.org/item/RO_1991__25_1_45_0/}
}