Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1979_26_3_a4, author = {A. A. Zhensykbaev}, title = {Spline interpolation and best approximation by trigonometric polynomials}, journal = {Matemati\v{c}eskie zametki}, pages = {355--366}, publisher = {mathdoc}, volume = {26}, number = {3}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1979_26_3_a4/} }
A. A. Zhensykbaev. Spline interpolation and best approximation by trigonometric polynomials. Matematičeskie zametki, Tome 26 (1979) no. 3, pp. 355-366. http://geodesic.mathdoc.fr/item/MZM_1979_26_3_a4/