%0 Journal Article %A H. Al-Assad %T A generalisation of Legendre's three-square theorem %J Čebyševskij sbornik %D 2024 %P 127-137 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2024_25_1_a8/ %G ru %F CHEB_2024_25_1_a8