%0 Journal Article %A V. S. Belonosov %A A. G. Shvets %T Fundamental properties of fractional powers of unbounded operators in Banach spaces %J Matematičeskie trudy %D 2024 %P 20-29 %V 27 %N 3 %U http://geodesic.mathdoc.fr/item/MT_2024_27_3_a1/ %G ru %F MT_2024_27_3_a1