%0 Journal Article
%A Markus Brodmann
%T Two types of birational models.
%J Commentarii mathematici Helvetici
%D 1983
%P 388-415
%V 58
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1983__58_139947/
%F CMH_1983__58_139947