TY - JOUR AU - G. V. Radzievskii TI - Asymptotic of singular numbers and eigenvalues of weakly perturbed operators JO - Matematičeskie zametki PY - 1988 SP - 624 EP - 634 VL - 43 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1988_43_5_a4/ LA - ru ID - MZM_1988_43_5_a4 ER -