@article{M2AN_1987__21_4_605_0,
     author = {Durier, Roland},
     title = {Meilleure approximation en norme vectorielle et th\'eorie de la localisation},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {605--626},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {21},
     number = {4},
     year = {1987},
     mrnumber = {921829},
     zbl = {0649.41019},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1987__21_4_605_0/}
}