@article{MZ_1942__48_169002,
     author = {L. R\'edei},
     title = {Zu einem {Approximationssatz} von {Koksma}},
     journal = {Mathematische Zeitschrift},
     pages = {500--502},
     publisher = {mathdoc},
     volume = {48},
     year = {1942},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1942__48_169002/}
}