@article{AIHPC_1994__11_5_553_0,
     author = {Corbo Esposito, Antonio and De Arcangelis, Riccardo},
     title = {A characterization of families of function sets described by constraints on the gradient},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {553--609},
     publisher = {Gauthier-Villars},
     volume = {11},
     number = {5},
     year = {1994},
     mrnumber = {1302280},
     zbl = {0839.49007},
     language = {en},
     url = {http://www.numdam.org/item/AIHPC_1994__11_5_553_0/}
}