Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1991_49_4_a19, author = {V. F. Babenko and V. V. Shalaev}, title = {Best approximation estimates resulting from the {Chebyshev} criterion}, journal = {Matemati\v{c}eskie zametki}, pages = {148--150}, publisher = {mathdoc}, volume = {49}, number = {4}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_4_a19/} }
V. F. Babenko; V. V. Shalaev. Best approximation estimates resulting from the Chebyshev criterion. Matematičeskie zametki, Tome 49 (1991) no. 4, pp. 148-150. http://geodesic.mathdoc.fr/item/MZM_1991_49_4_a19/