@article{10_14708_wm_v19i01_3254,
     author = {W. Nitka},
     title = {Seminarium wy\.zsze z topologii},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 38--41},
     publisher = {mathdoc},
     volume = {19},
     number = {01},
     year = {1975},
     doi = {10.14708/wm.v19i01.3254},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v19i01.3254/}
}