@article{JRAM_1981__326_152367,
     author = {Arne J. Brentjes},
     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},
     pages = {18--44},
     publisher = {mathdoc},
     volume = {326},
     year = {1981},
     zbl = {0452.10034},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1981__326_152367/}
}