@article{10_21136_CMJ_1968_100813,
     author = {M\'at\'e, Attila},
     title = {Generalization of a theorem of {W.} {Sierpi\'nski}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {83--85},
     year = {1968},
     volume = {18},
     number = {1},
     doi = {10.21136/CMJ.1968.100813},
     mrnumber = {0224478},
     zbl = {0155.02403},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1968.100813/}
}