%0 Journal Article %A K. Alniaçik %T Representation of real numbers as sums of $U_{2}$-numbers %J Acta Arithmetica %D 1990 %P 301-310 %V 55 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-55-4-301-310/ %R 10.4064/aa-55-4-301-310 %G en %F 10_4064_aa_55_4_301_310