@article{10_14708_wm_v11i1_2108,
     author = {E. Marczewski},
     title = {O dzia{\l}alno\'sci {B.} {Knastera}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 86--91},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1969},
     doi = {10.14708/wm.v11i1.2108},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v11i1.2108/}
}