%0 Journal Article %A D. Khadzhiev %T Some questions in the theory of vector invariants %J Sbornik. Mathematics %D 1967 %P 383-396 %V 1 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1967_1_3_a4/ %G en %F SM_1967_1_3_a4