@article{MZ_1969__110_171178,
     author = {Wolfgang Haneke},
     title = {\"Uber ein {System} simultaner diophantischer {Approximationen.}},
     journal = {Mathematische Zeitschrift},
     pages = {378--384},
     year = {1969},
     volume = {110},
     zbl = {0179.07502},
     url = {http://geodesic.mathdoc.fr/item/MZ_1969__110_171178/}
}