@article{10_14708_wm_v4i2_2457,
     author = {W. Sierpi\'nski},
     title = {O pewnym zagadnieniu {Fermata}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 177--181},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1961},
     doi = {10.14708/wm.v4i2.2457},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v4i2.2457/}
}