%0 Journal Article %A A. L. Pirozerskii %T The Drinfeld--Sokolov reduction for a Lax difference operator with the periodic boundary conditions in the case $gl\bigl(n,\mathbb C((\lambda^{-1}))\bigr)$ %J Zapiski Nauchnykh Seminarov POMI %D 1998 %P 233-259 %V 251 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1998_251_a15/ %G ru %F ZNSL_1998_251_a15