@article{MM2_1990__67_1_155491,
     author = {Neil S. Trudinger},
     title = {A priori {Bounds} and necessary conditions for solvability of prescribed curvature equations.},
     journal = {Manuscripta mathematica},
     pages = {99--112},
     publisher = {mathdoc},
     volume = {67},
     number = {1},
     year = {1990},
     zbl = {0703.35070},
     url = {http://geodesic.mathdoc.fr/item/MM2_1990__67_1_155491/}
}