%0 Journal Article
%A V. A. Krasnov
%T The Brauer and Witt Groups of Real Ruled Surfaces
%J Matematičeskie zametki
%D 2002
%P 706-714
%V 72
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2002_72_5_a8/
%G ru
%F MZM_2002_72_5_a8