%0 Journal Article
%A B. D. Lyubachevskii
%T The structure of a group of polynomial matrices unitary in an indefinite metric of index~$1$
%J Doklady Akademii Nauk
%D 1972
%P 28-31
%V 203
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1972_203_1_a6/
%G ru
%F DAN_1972_203_1_a6