Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1993_53_6_a12, author = {L. V. Taikov}, title = {On the best approximation of {Dirichlet} kernels}, journal = {Matemati\v{c}eskie zametki}, pages = {116--121}, publisher = {mathdoc}, volume = {53}, number = {6}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1993_53_6_a12/} }
L. V. Taikov. On the best approximation of Dirichlet kernels. Matematičeskie zametki, Tome 53 (1993) no. 6, pp. 116-121. http://geodesic.mathdoc.fr/item/MZM_1993_53_6_a12/