%0 Journal Article
%A Y. Ruan
%T Symplectic Topology and Extemal Rays.
%J Geometric and functional analysis
%D 1993
%P 395-430
%V 3
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/GFA_1993__3_6_58137/
%F GFA_1993__3_6_58137