@article{10_4064_cm_12_2_249_251,
     author = {J. Lipi\'nski},
     title = {On a kind of dispersion of sets},
     journal = {Colloquium Mathematicum},
     pages = {249--251},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1964},
     doi = {10.4064/cm-12-2-249-251},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-12-2-249-251/}
}