%0 Journal Article %A V. I. Chernousov %T On projective simplicity of certain groups of rational points over algebraic number fields %J Izvestiya. Mathematics %D 1990 %P 409-423 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1990_34_2_a9/ %G en %F IM2_1990_34_2_a9