@article{PMF_1928-1929_36_1_a8,
     author = {Jarn{\'\i}k, Vojt\u{e}ch},
     title = {Zur metrischen {Theorie} der diophantischen {Approximationen}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {91--106},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1928-1929},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PMF_1928-1929_36_1_a8/}
}