@article{MZM_1974_15_1_a15,
     author = {L. N. Nikol'skaya},
     title = {Structure of the point spectrum of a~linear operator},
     journal = {Matemati\v{c}eskie zametki},
     pages = {149--158},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1974_15_1_a15/}
}