%0 Journal Article %A P. A. Mishnaevskii %T Expansion by eigenfunctions of~a~Sturm--Liouville operator with slowly decreasing potential %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1978 %P 211-212 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1978_33_1_a15/ %G en %F RM_1978_33_1_a15