@article{MAN_1891__39_157573,
     author = {A. Hurwitz},
     title = {Ueber die angen\"aherte {Darstellung} der {Irrationalzahlen} durch rationale {Br\"uche.}},
     journal = {Mathematische Annalen},
     pages = {279--284},
     publisher = {mathdoc},
     volume = {39},
     year = {1891},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1891__39_157573/}
}