@article{10_4064_fm_94_3_191_207,
     author = {Karol Borsuk},
     title = {On a metrization of the hyperspace of a metric space},
     journal = {Fundamenta Mathematicae},
     pages = {191--207},
     publisher = {mathdoc},
     volume = {94},
     number = {3},
     year = {1977},
     doi = {10.4064/fm-94-3-191-207},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-94-3-191-207/}
}