@article{10_4064_cm_69_2_297_298,
     author = {Szymon Plewik},
     title = {On some problem of {A.} {Ros{\l}anowski}},
     journal = {Colloquium Mathematicum},
     pages = {297--298},
     publisher = {mathdoc},
     volume = {69},
     number = {2},
     year = {1996},
     doi = {10.4064/cm-69-2-297-298},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-69-2-297-298/}
}