Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1989_306_4_a0, author = {O. V. Davydov}, title = {Asymptotic behavior of best approximations of individual functions}, journal = {Doklady Akademii Nauk}, pages = {777--781}, publisher = {mathdoc}, volume = {306}, number = {4}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_306_4_a0/} }
O. V. Davydov. Asymptotic behavior of best approximations of individual functions. Doklady Akademii Nauk, Tome 306 (1989) no. 4, pp. 777-781. http://geodesic.mathdoc.fr/item/DAN_1989_306_4_a0/