@article{GDZPPN000461733, title = {Symplectic Topology and Extemal Rays.}, journal = {Geometric and functional analysis}, volume = {3}, year = {1993}, pages = {395-430}, zbl = {0806.53032}, url = {http://dml.mathdoc.fr/item/GDZPPN000461733} }
Ruan, Y. Symplectic Topology and Extemal Rays.. Geometric and functional analysis, Tome 3 (1993) pp. 395-430. http://gdmltest.u-ga.fr/item/GDZPPN000461733/