%0 Journal Article %A Kh. M. Karov %T On an inverse Hausdorff--Young inequality for eigen- and associated functions of the Sturm--Liouville operator with discontinuous coefficients %J Differencialʹnye uravneniâ %D 1987 %P 172-174 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_1_a18/ %G ru %F DE_1987_23_1_a18