%0 Journal Article
%A E. I. Iokhvidov
%T Description of $J$-unitary extensions of $J$-isometric operators with equal and finite defect numbers
%J Doklady Akademii Nauk
%D 1976
%P 783-786
%V 228
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_228_4_a4/
%G ru
%F DAN_1976_228_4_a4