@article{RRACEFN_1993_1993_1_a14,
     author = {Est\'evez, M. and  Herv\'es, C. and  L\'opez, M. A.},
     title = {Una nota sobre la representaci\'on num\'erica de relaciones de preferencia.},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales},
     pages = {437-448},
     year = {1993},
     volume = {87},
     number = {2-3},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1993_1993_1_a14/}
}