@article{DE_1987_23_1_a18, author = {Kh. M. Karov}, title = {On an inverse {Hausdorff--Young} inequality for eigen- and associated functions of the {Sturm--Liouville} operator with discontinuous coefficients}, journal = {Differencialʹnye uravneni\^a}, pages = {172--174}, publisher = {mathdoc}, volume = {23}, number = {1}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_1_a18/} }