Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1967_2_6_a0, author = {N. P. Korneichuk}, title = {Precise estimates for the norms of differentiable periodic functions in the $L$ metric}, journal = {Matemati\v{c}eskie zametki}, pages = {569--576}, publisher = {mathdoc}, volume = {2}, number = {6}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1967_2_6_a0/} }
N. P. Korneichuk. Precise estimates for the norms of differentiable periodic functions in the $L$ metric. Matematičeskie zametki, Tome 2 (1967) no. 6, pp. 569-576. http://geodesic.mathdoc.fr/item/MZM_1967_2_6_a0/