%0 Journal Article
%A Stephan Stolz
%T The level of real projective spaces.
%J Commentarii mathematici Helvetici
%D 1989
%P 661-674
%V 64
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1989__64_1_140177/
%F CMH_1989__64_1_140177