%0 Journal Article %A G. Tomano %T Projective simplicity of groups of rational points of simply connected algebraic groups defined over number fields %J Banach Center Publications %D 1990 %P 455-466 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/-26-2-455-466/ %R 10.4064/-26-2-455-466 %G en %F 10_4064__26_2_455_466