@article{10_21136_CMJ_1951_100025,
     author = {Kurzweil, Jaroslav},
     title = {A contribution to the metric theory of {Diophantine} approximations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {149--178},
     publisher = {mathdoc},
     volume = {01},
     number = {3},
     year = {1951},
     doi = {10.21136/CMJ.1951.100025},
     mrnumber = {0051273},
     zbl = {0048.27803},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1951.100025/}
}