%0 Journal Article %A E. Lipkin %T On representation of r-th powers by subset sums %J Acta Arithmetica %D 1989 %P 353-365 %V 52 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-52-4-353-365/ %R 10.4064/aa-52-4-353-365 %G en %F 10_4064_aa_52_4_353_365