%0 Journal Article %A I. V. Cherednik %T Hamilton theory of steady-state differential equations with an elliptic pencil %J Doklady Akademii Nauk %D 1983 %P 51-55 %V 271 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_271_1_a11/ %G ru %F DAN_1983_271_1_a11