%0 Journal Article %A R. Schulze-Pillot %A William Duke %T Representation of integers by positive ternary quadratic forms and equidistribution of lattice points on ellipsoids. %J Inventiones mathematicae %D 1990 %P 49-58 %V 99 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1990__99_1_143750/ %F IM_1990__99_1_143750