J-holomorphic curves, moment maps, and invariants of Hamiltonian group actions.Published in:IMRN: International Mathematics Research Notices, 2000, v. 2000, n. 16, p. 831, doi. 10.1155/S1073792800000453By:Cieliebak, Kai;Gaio, Ana Rita;Salamon, Dietmar A.Publication type:Article