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@article{MZM_1977_22_4_a3, author = {V. V. Shevchik}, title = {Spectrum of a~linear operator in a~family of banach spaces containing {Hilbert} space}, journal = {Matemati\v{c}eskie zametki}, pages = {495--498}, publisher = {mathdoc}, volume = {22}, number = {4}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1977_22_4_a3/} }
V. V. Shevchik. Spectrum of a~linear operator in a~family of banach spaces containing Hilbert space. Matematičeskie zametki, Tome 22 (1977) no. 4, pp. 495-498. http://geodesic.mathdoc.fr/item/MZM_1977_22_4_a3/