%0 Journal Article %A I. M. Gel'fand %A L. A. Dikii %T Asymptotic benaviour of the resolvent of Sturm--Liouville equations and the algebra of the Korteweg--de~Vries equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1975 %P 77-113 %V 30 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1975_30_5_a2/ %G en %F RM_1975_30_5_a2