@article{MSC_1998_1998_1_a21,
     author = {Burillo L\'opez, Pedro J. and Fuentes-Gonz\'alez, Ram\'on and Gonz\'alez Sotos, Le\'on A.},
     title = {Completitud y direcci\'on en sistemas relacionales difusos.},
     journal = {Mathware & soft computing},
     pages = {243-251},
     publisher = {mathdoc},
     volume = {5},
     number = {2-3},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MSC_1998_1998_1_a21/}
}