%0 Journal Article
%A Andrew J. Sommese
%A M. Beltrametti
%T A criterion for a variety to be cone.
%J Commentarii mathematici Helvetici
%D 1987
%P 417-422
%V 62
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1987__62_140091/
%F CMH_1987__62_140091