@article{10_4007_annals_2007_166_475,
     author = {Matthew J. Gursky and Jeff A. Viaclovsky},
     title = {Prescribing symmetric functions of the eigenvalues of the {Ricci} tensor},
     journal = {Annals of mathematics},
     pages = {475--531},
     publisher = {mathdoc},
     volume = {166},
     number = {2},
     year = {2007},
     doi = {10.4007/annals.2007.166.475},
     mrnumber = {2373147},
     zbl = {1142.53027},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2007.166.475/}
}