@article{10_14708_cm_v2i1_5400,
     author = {J. Krzy\.z},
     title = {Twierdzenie {Oliviera} i jego uog\'olnienia},
     journal = {Commentationes Mathematicae},
     pages = { 159--164},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1956},
     doi = {10.14708/cm.v2i1.5400},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v2i1.5400/}
}