%0 Journal Article %A S. M. Semenov %T Polynomial approximation of symmetric functions in a Hilbert space %J Funkcionalʹnyj analiz i ego priloženiâ %D 1972 %P 87-88 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1972_6_1_a19/ %G ru %F FAA_1972_6_1_a19