@article{CMUC_1982_23_2_a2,
     author = {Pultr, Ale\v{s}},
     title = {Fuzziness and fuzzy equality},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {249--267},
     year = {1982},
     volume = {23},
     number = {2},
     mrnumber = {664971},
     zbl = {0498.04001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1982_23_2_a2/}
}