%0 Journal Article %A V. I. Yudovich %T Spectral properties of an oscillatory differential operator on the line %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1983 %P 227-228 %V 38 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1983_38_1_a32/ %G en %F RM_1983_38_1_a32