Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1977__156_172565, author = {Itshak Borosh and C.K. Chui and P.W. Smith}, title = {Best {Uniform} {Approximation} from a {Collection} of {Subspaces.}}, journal = {Mathematische Zeitschrift}, pages = {13--18}, publisher = {mathdoc}, volume = {156}, year = {1977}, zbl = {0366.41012}, url = {http://geodesic.mathdoc.fr/item/MZ_1977__156_172565/} }
Itshak Borosh; C.K. Chui; P.W. Smith. Best Uniform Approximation from a Collection of Subspaces.. Mathematische Zeitschrift, Tome 156 (1977), pp. 13-18. http://geodesic.mathdoc.fr/item/MZ_1977__156_172565/