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