@article{MZ_1959__72_183606,
     author = {Vojttech Jarnik},
     title = {Eine {Bemerkung} \"uber diophantische {Approximationen.}},
     journal = {Mathematische Zeitschrift},
     pages = {187--191},
     publisher = {mathdoc},
     volume = {72},
     year = {1959},
     zbl = {0092.27701},
     url = {http://geodesic.mathdoc.fr/item/MZ_1959__72_183606/}
}