@article{10_14708_cm_v2i1_5398,
     author = {R. Sikorski},
     title = {O twierdzeniu {Vitaliego}},
     journal = {Commentationes Mathematicae},
     pages = { 146--151},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1956},
     doi = {10.14708/cm.v2i1.5398},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v2i1.5398/}
}