%0 Journal Article %A V. G. Drinfeld %A V. V. Sokolov %T Equations of Korteweg--de Vries type, and simple Lie algebras %J Doklady Akademii Nauk %D 1981 %P 11-16 %V 258 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_258_1_a0/ %G ru %F DAN_1981_258_1_a0