@article{MZ_1926__24_174996,
     author = {W. Hurewicz},
     title = {\"Uber eine {Verallgemeinerung} des {Borelschen} {Theorems}},
     journal = {Mathematische Zeitschrift},
     pages = {401--421},
     publisher = {mathdoc},
     volume = {24},
     year = {1926},
     zbl = {51.0454.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1926__24_174996/}
}