%0 Journal Article %A Ming Lu %T On a problem of sums of mixed powers %J Acta Arithmetica %D 1991 %P 89-102 %V 58 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-58-1-89-102/ %R 10.4064/aa-58-1-89-102 %G en %F 10_4064_aa_58_1_89_102