@article{M2AN_1987__21_4_605_0, author = {Durier, Roland}, title = {Meilleure approximation en norme vectorielle et th\'eorie de la localisation}, journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique}, pages = {605--626}, publisher = {AFCET - Gauthier-Villars}, address = {Paris}, volume = {21}, number = {4}, year = {1987}, mrnumber = {921829}, zbl = {0649.41019}, language = {fr}, url = {http://www.numdam.org/item/M2AN_1987__21_4_605_0/} }