TY - JOUR AU - V. I. Chernousov TI - On projective simplicity of certain groups of rational points over algebraic number fields JO - Izvestiya. Mathematics PY - 1990 SP - 409 EP - 423 VL - 34 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1990_34_2_a9/ LA - en ID - IM2_1990_34_2_a9 ER -