TY  - JOUR
AU  - Li, Jun
AU  - Tian, Gang
TI  - Virtual moduli cycles and Gromov-Witten invariants of algebraic varieties
JO  - Journal of the American Mathematical Society
PY  - 1998
SP  - 119
EP  - 174
VL  - 11
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-98-00250-1/
DO  - 10.1090/S0894-0347-98-00250-1
ID  - 10_1090_S0894_0347_98_00250_1
ER  -