@article{MSC_1997_1997_1_a15,
     author = {Valls, A{\"\i}da and Ria\~no, David and Torra, Vicen\c{c}},
     title = {Sed\`as: {Sistema} general de clasificaci\'on basado en la sem\'antica.},
     journal = {Mathware & soft computing},
     pages = {267-279},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MSC_1997_1997_1_a15/}
}