@article{10_1090_S0894_0347_08_00625_5,
     author = {Zinger, Aleksey},
     title = {The reduced genus 1 {Gromov-Witten} invariants of {Calabi-Yau} hypersurfaces},
     journal = {Journal of the American Mathematical Society},
     pages = {691--737},
     year = {2009},
     volume = {22},
     number = {3},
     doi = {10.1090/S0894-0347-08-00625-5},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-08-00625-5/}
}