@article{GDZPPN002198592,
title = {A two-dimensional continued fraction algorithm for best approximations with an application in cubic number fields.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {329},
year = {1981},
pages = {18-44},
zbl = {0452.10034},
url = {http://dml.mathdoc.fr/item/GDZPPN002198592}
}
Brentjes, Arne J. A two-dimensional continued fraction algorithm for best approximations with an application in cubic number fields.. Journal für die reine und angewandte Mathematik, Tome 329 (1981) pp. 18-44. http://gdmltest.u-ga.fr/item/GDZPPN002198592/