%0 Journal Article %A Ding, Ping %A Freedman, A. R. %T Small Sets of k-th Powers %J Canadian mathematical bulletin %D 1994 %P 168-173 %V 37 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-025-1/ %R 10.4153/CMB-1994-025-1 %F 10_4153_CMB_1994_025_1