%0 Journal Article %A V. V. Shevchik %T Spectrum of a~linear operator in a~family of banach spaces containing Hilbert space %J Matematičeskie zametki %D 1977 %P 495-498 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1977_22_4_a3/ %G ru %F MZM_1977_22_4_a3