@article{MSC_2006_2006_1_a12,
     author = {Pradera, Ana and Trillas, Enric},
     title = {Agregaci\'on, no contradicci\'on y el tercero excluido.},
     journal = {Mathware & soft computing},
     pages = {189-201},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MSC_2006_2006_1_a12/}
}