%0 Journal Article
%A T. Ya. Azizov
%T Invariant subspaces and completeness criteria for the root vector system of $J$-dissipative operators in the Pontrjagin space $\Pi_\kappa$
%J Doklady Akademii Nauk
%D 1971
%P 1015-1017
%V 200
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_200_5_a0/
%G ru
%F DAN_1971_200_5_a0