TY - JOUR AU - Kh. M. Kogan AU - L. A. Sakhnovich TI - Asymptotic behavior of the spectrum of a singular integro-differential operator JO - Differencialʹnye uravneniâ PY - 1984 SP - 1444 EP - 1447 VL - 20 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1984_20_8_a25/ LA - ru ID - DE_1984_20_8_a25 ER -