%0 Journal Article
%A A. V. Lavrenov
%T Unitary Steinberg group is centrally closed
%J Algebra i analiz
%D 2012
%P 124-140
%V 24
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AA_2012_24_5_a4/
%G ru
%F AA_2012_24_5_a4