@article{MAN_1931__105_159510,
     author = {N. Tschebotar\"ow},
     title = {\"Uber ein algebraisches {Problem} von {Herrn} {Hilbert.} {Zweite} {Abhandlung}},
     journal = {Mathematische Annalen},
     pages = {240--255},
     publisher = {mathdoc},
     volume = {105},
     year = {1931},
     zbl = {57.0124.12},
     url = {http://geodesic.mathdoc.fr/item/MAN_1931__105_159510/}
}