%0 Journal Article
%A È. B. Vinberg
%T On groups of unit elements of certain quadratic forms
%J Sbornik. Mathematics
%D 1972
%P 17-35
%V 16
%N 1
%U http://geodesic.mathdoc.fr/item/SM_1972_16_1_a1/
%G en
%F SM_1972_16_1_a1