%0 Journal Article %A Arne J. Brentjes %T A two-dimensional continued fraction algorithm for best approximations with an application in cubic number fields. %J Journal für die reine und angewandte Mathematik %D 1981 %P 18-44 %V 326 %I mathdoc %U http://geodesic.mathdoc.fr/item/JRAM_1981__326_152367/ %F JRAM_1981__326_152367