%0 Journal Article %A V. P. Platonov %T Dieudonne's conjecture and the nonsurjectivity on $k$-points of coverings of algebraic groups %J Doklady Akademii Nauk %D 1974 %P 986-989 %V 216 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_216_5_a7/ %G ru %F DAN_1974_216_5_a7