%0 Journal Article %A V. E. Voskresenskii %T On the question of the structure of the subfield of invariants of a cyclic group of automorphisms of the field $\mathbf Q(x_1,\dots,x_n)$ %J Izvestiya. Mathematics %D 1970 %P 371-380 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1970_4_2_a5/ %G en %F IM2_1970_4_2_a5