TY - JOUR AU - L. N. Nikol'skaya TI - Structure of the point spectrum of a~linear operator JO - Matematičeskie zametki PY - 1974 SP - 149 EP - 158 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1974_15_1_a15/ LA - ru ID - MZM_1974_15_1_a15 ER -