@article{KYB_1992_28_6_a0,
     author = {Kramosil, Ivan},
     title = {Comparing alternative definitions of {Boolean-valued} fuzzy sets},
     journal = {Kybernetika},
     pages = {425--443},
     year = {1992},
     volume = {28},
     number = {6},
     mrnumber = {1204593},
     zbl = {0782.04009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1992_28_6_a0/}
}