@article{10_4064_cm_6_1_319_327,
     author = {Edward Marczewski and Hugo Steinhaus},
     title = {On a certain distance of sets and the corresponding distance of functions},
     journal = {Colloquium Mathematicum},
     pages = {319--327},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1958},
     doi = {10.4064/cm-6-1-319-327},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-319-327/}
}