@article{10_4007_annals_2006_163_561,
     author = {Andrei Okounkov and Rahul Pandharipande},
     title = {The equivariant {Gromov{\textendash}Witten} theory of $P^1$},
     journal = {Annals of mathematics},
     pages = {561--605},
     publisher = {mathdoc},
     volume = {163},
     number = {2},
     year = {2006},
     doi = {10.4007/annals.2006.163.561},
     mrnumber = {2199226},
     zbl = {1105.14077},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2006.163.561/}
}