%0 Journal Article
%A S. R. Treil'
%T Angles between co-invariant subspaces, and the operator corona problem. The Sz\"okefalvi-Nagy problem
%J Doklady Akademii Nauk
%D 1988
%P 1063-1068
%V 302
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1988_302_5_a8/
%G ru
%F DAN_1988_302_5_a8