%0 Journal Article %A N. K. Nikol'skii %T Invariant subspaces of the shift operator and bounded approximation almost everywhere %J Informatics and Automation %D 1968 %P 243-257 %V 96 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1968_96_a17/ %G ru %F TRSPY_1968_96_a17