TY - JOUR AU - H. M. Karov TI - An inequality of Hilbert type in a system of eigen- and associated functions of a second-order differential operator for odd and even functions JO - Differencialʹnye uravneniâ PY - 1989 SP - 1307 EP - 1312 VL - 25 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_8_a2/ LA - ru ID - DE_1989_25_8_a2 ER -