Invariant count of holomorphic disks in the cotangent bundles of the two-sphere and real projective plane

Jean-Yves Welschinger

Comptes Rendus. Mathématique, Volume 344 (2007) p. 313-316

Invariants of real rational symplectic 4-manifolds and lower bounds in real enumerative geometry

Jean-Yves Welschinger

Comptes Rendus. Mathématique, Volume 336 (2003) p. 341-344