Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2000_67_1_a13, author = {L. V. Taikov}, title = {One-sided approximation of functions}, journal = {Matemati\v{c}eskie zametki}, pages = {136--140}, publisher = {mathdoc}, volume = {67}, number = {1}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_1_a13/} }
L. V. Taikov. One-sided approximation of functions. Matematičeskie zametki, Tome 67 (2000) no. 1, pp. 136-140. http://geodesic.mathdoc.fr/item/MZM_2000_67_1_a13/
[1] Korneichuk N. P., Ligun A. A., Doronin V. G., Approksimatsiya s ogranicheniyami, Naukova dumka, Kiev, 1982