%0 Journal Article %A I. D. Evzerov %T Domains of fractional powers of ordinary differential operators in spaces $L_p$ %J Matematičeskie zametki %D 1977 %P 509-518 %V 21 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1977_21_4_a7/ %G ru %F MZM_1977_21_4_a7