Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1961_141_2_a12, author = {N. P. Korneichuk}, title = {Best uniform approximation of differentiable functions}, journal = {Doklady Akademii Nauk}, pages = {304--307}, publisher = {mathdoc}, volume = {141}, number = {2}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_2_a12/} }
N. P. Korneichuk. Best uniform approximation of differentiable functions. Doklady Akademii Nauk, Tome 141 (1961) no. 2, pp. 304-307. http://geodesic.mathdoc.fr/item/DAN_1961_141_2_a12/