@article{CMUC_1971_12_1_a13,
     author = {Divi\v{s}, Bohuslav and Nov\'ak, B\v{r}etislav},
     title = {A remark on the theory of {Diophantine} approximations},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {127--141},
     year = {1971},
     volume = {12},
     number = {1},
     mrnumber = {0285491},
     zbl = {0214.30004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1971_12_1_a13/}
}