@article{M2AN_1991__25_5_517_0,
     author = {Alziary de Roquefort, B.},
     title = {Jeux diff\'erentiels et approximation num\'erique de fonctions valeur. 1re partie : \'etude th\'eorique},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {517--533},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {25},
     number = {5},
     year = {1991},
     mrnumber = {1111653},
     zbl = {0734.90131},
     language = {fr},
     url = {http://archive.numdam.org/item/M2AN_1991__25_5_517_0/}
}