%0 Journal Article %A De Beule, Jan %A Sziklai, Péter %A Takáts, Marcella %T On the structure of the directions not determined by a large affine point set %J Journal of Algebraic Combinatorics %D 2013 %P 889-899 %V 38 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2013__38_4_a5/ %G en %F JAC_2013__38_4_a5