%0 Journal Article %A N. K. Nikol'skii %T The technique of using a quotient operator for the localization of $z$-invariant subspaces %J Doklady Akademii Nauk %D 1978 %P 24-27 %V 240 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_240_1_a4/ %G ru %F DAN_1978_240_1_a4