@article{10_14708_wm_v4i2_2466,
     author = {S. Knapowski},
     title = {W. {Sierpi\'nski,} {Teoria} liczb, cz. {II}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 233--234},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1961},
     doi = {10.14708/wm.v4i2.2466},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v4i2.2466/}
}