@article{MM2_1997__94_2_156354,
     author = {Gerhard Larcher},
     title = {Metric results on the approximation of zero by linear combinations of independent and of dependent rationals.},
     journal = {Manuscripta mathematica},
     pages = {501--530},
     publisher = {mathdoc},
     volume = {94},
     number = {2},
     year = {1997},
     zbl = {0893.11026},
     url = {http://geodesic.mathdoc.fr/item/MM2_1997__94_2_156354/}
}