%0 Journal Article %A V. L. Popov %T Hilbert's theorem on invariants %J Doklady Akademii Nauk %D 1979 %P 551-555 %V 249 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_249_3_a8/ %G ru %F DAN_1979_249_3_a8