@article{CMUC_1997__38_2_a15,
     author = {Barbati, A. and Costantini, C.},
     title = {On the density of the hyperspace of a metric space},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {349--360},
     publisher = {mathdoc},
     volume = {38},
     number = {2},
     year = {1997},
     mrnumber = {1455502},
     zbl = {0886.54007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1997__38_2_a15/}
}