@article{M2AN_1985__19_1_89_0,
     author = {Robert, F.},
     title = {Meilleure approximation en norme vectorielle et minima de {Pareto}},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {89--110},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {19},
     number = {1},
     year = {1985},
     mrnumber = {813690},
     zbl = {0558.41035},
     language = {fr},
     url = {http://archive.numdam.org/item/M2AN_1985__19_1_89_0/}
}