@article{MSC_1998_1998_1_a13,
     author = {Esteva, Francesc and Garc{\'\i}a, Pere and Godo, Lluis. and Rodr{\'\i}guez, Ricardo O.},
     title = {Relaciones difusas de aproximaci\'on, estructuras modales y l\'ogica posibil{\'\i}stica.},
     journal = {Mathware & soft computing},
     pages = {151-166},
     publisher = {mathdoc},
     volume = {5},
     number = {2-3},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MSC_1998_1998_1_a13/}
}