@article{10_4064_aa_5_3_261_263,
     author = {Stanis{\l}aw Hartman},
     title = {A feature of {Dirichlet's} approximation theorem},
     journal = {Acta Arithmetica},
     pages = {261--263},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {1959},
     doi = {10.4064/aa-5-3-261-263},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-5-3-261-263/}
}