@article{MZ_1929__30_168123,
     author = {A. Wintner},
     title = {Diophantische {Approximationen} und {Hermitesche} {Matrizen} {I.}},
     journal = {Mathematische Zeitschrift},
     pages = {290--319},
     year = {1929},
     volume = {30},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1929__30_168123/}
}