@article{PORMA_1983__42_2_115533,
     author = {Captivo, M.E. and Branco, I.M. and Coelho, J.D.},
     title = {Um algoritmo exacto para o problema da p-mediana},
     journal = {Portugaliae mathematica},
     pages = {151--162},
     publisher = {mathdoc},
     volume = {42},
     number = {2},
     year = {1983},
     mrnumber = {0819447},
     zbl = {0573.90034},
     language = {pt},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1983__42_2_115533/}
}