%0 Journal Article
%A V. M. Levchuk
%A O. A. Starikova
%T Quadratic forms of projective spaces over rings
%J Sbornik. Mathematics
%D 2006
%P 887-899
%V 197
%N 6
%U http://geodesic.mathdoc.fr/item/SM_2006_197_6_a4/
%G en
%F SM_2006_197_6_a4