@article{JRAM_1983__342_152539,
     author = {V.I. Oliker and U. Simon},
     title = {Codazzi tensors and equations of {Monge-Amp\`ere} type on compact manifolds of constant sectional curvature.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {35--65},
     publisher = {mathdoc},
     volume = {342},
     year = {1983},
     zbl = {0502.53038},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1983__342_152539/}
}