@article{AM_1999_150_2_a3,
     author = {Neil S. Trudinger and Xu-Jia Wang},
     title = {Hessian measures. {II}},
     journal = {Annals of mathematics},
     publisher = {mathdoc},
     volume = {150},
     number = {2},
     year = {1999},
     url = {http://geodesic.mathdoc.fr/item/AM_1999_150_2_a3/}
}