Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1989__63_3_155392, author = {R. DeVore and R. Howard and C. Micchelli}, title = {Optimal nonlinear approximation.}, journal = {Manuscripta mathematica}, pages = {469--478}, publisher = {mathdoc}, volume = {63}, number = {3}, year = {1989}, zbl = {0682.41033}, url = {http://geodesic.mathdoc.fr/item/MM2_1989__63_3_155392/} }
R. DeVore; R. Howard; C. Micchelli. Optimal nonlinear approximation.. Manuscripta mathematica, Tome 63 (1989) no. 3, pp. 469-478. http://geodesic.mathdoc.fr/item/MM2_1989__63_3_155392/