@article{DE_1994_30_2_a1,
     author = {A. A. Malov},
     title = {Sufficient conditions for the satisfaction of a {Hilbert-type} inequality in a system of root functions of a second-order ordinary differential operator},
     journal = {Differencialʹnye uravneni\^a},
     pages = {197--203},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_2_a1/}
}