@article{CMUC_1976__17_3_a2,
     author = {Pultr, Ale\v{s}},
     title = {Fuzzy mappings and fuzzy sets},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {441--459},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {1976},
     mrnumber = {0416923},
     zbl = {0343.02048},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1976__17_3_a2/}
}