TY - JOUR AU - Kh. K. Ishkin TI - Asymptotics of the spectrum and the regularized trace of higher-order singular differential operators JO - Differencialʹnye uravneniâ PY - 1995 SP - 1658 EP - 1668 VL - 31 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1995_31_10_a7/ LA - ru ID - DE_1995_31_10_a7 ER -