%0 Journal Article %A A. A. Malov %T Necessary conditions for the satisfaction of a Hilbert-type inequality in a system of root functions of a second-order ordinary differential operator %J Differencialʹnye uravneniâ %D 1994 %P 48-59 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_1_a5/ %G ru %F DE_1994_30_1_a5