%0 Journal Article %A M. Semenov-Tian-Shansky %A A.G. Reyman %T Reduction of Hamiltonian Systems, Affine Lie Algebras and Lax Equations II. %J Inventiones mathematicae %D 1981 %P 423-432 %V 63 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1981__63_142805/ %F IM_1981__63_142805