@article{MOMA_1979__87_177909,
     author = {Franz Langmayr},
     title = {Zur simultanen {Diophantischen} {Approximation.} {II.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {133--144},
     publisher = {mathdoc},
     volume = {87},
     year = {1979},
     zbl = {0395.10042},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1979__87_177909/}
}