%0 Journal Article %A I. Allakov %A A. Sh. Safarov %T About one additive problem Hua Loo Keng's %J Čebyševskij sbornik %D 2019 %P 32-45 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2019_20_4_a2/ %G ru %F CHEB_2019_20_4_a2