%0 Journal Article
%A G. K. Langer
%T Invariant subspaces of linear operators acting in a space with indefinite metric
%J Doklady Akademii Nauk
%D 1966
%P 12-15
%V 169
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_169_1_a1/
%G ru
%F DAN_1966_169_1_a1