@article{10_14708_wm_v18i01_3193,
     author = {K. Urbanik},
     title = {Przem\'owienie},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 185--187},
     publisher = {mathdoc},
     volume = {18},
     number = {01},
     year = {1974},
     doi = {10.14708/wm.v18i01.3193},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v18i01.3193/}
}