@article{GDZPPN002239515,
title = {Metric results on the approximation of zero by linear combinations of independent and of dependent rationals.},
journal = {Manuscripta mathematica},
volume = {94},
year = {1997},
pages = {501-530},
zbl = {0893.11026},
url = {http://dml.mathdoc.fr/item/GDZPPN002239515}
}
Larcher, Gerhard. Metric results on the approximation of zero by linear combinations of independent and of dependent rationals.. Manuscripta mathematica, Tome 94 (1997) pp. 501-530. http://gdmltest.u-ga.fr/item/GDZPPN002239515/