@article{MASLO_1973_23_2_a11,
     author = {Farkov\'a, Jana},
     title = {Note on a {Theorem} of {Kuratowski-Sierpi\'nski}},
     journal = {Mathematica slovaca},
     pages = {179--183},
     year = {1973},
     volume = {23},
     number = {2},
     mrnumber = {0330364},
     zbl = {0271.26005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1973_23_2_a11/}
}