%0 Journal Article %A V. M. Brodskii %A M. S. Brodskii %T Factorizations of the characteristic function and invariant subspaces of a nonexpanding operator %J Funkcionalʹnyj analiz i ego priloženiâ %D 1974 %P 63-64 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1974_8_2_a9/ %G ru %F FAA_1974_8_2_a9