@article{MTA_2016_1_1_a3,
     author = {E. N. Barron},
     title = {Representation of viscosity solutions of {Hamilton-Jacobi} equations},
     journal = {Minimax theory and its applications},
     year = {2016},
     volume = {1},
     number = {1},
     zbl = {1336.35112},
     url = {http://geodesic.mathdoc.fr/item/MTA_2016_1_1_a3/}
}