TY - JOUR AU - G. E. Shikina TI - A Hilbert-type inequality in a system of eigen- and associated functions of an even-order differential operator JO - Differencialʹnye uravneniâ PY - 1993 SP - 145 EP - 155 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1993_29_1_a18/ LA - ru ID - DE_1993_29_1_a18 ER -