Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1958_118_5_a4, author = {S. I. Zukhovitskii and G. I. \`Eskin}, title = {Chebyshev approximation in a {Hilbert} ring}, journal = {Doklady Akademii Nauk}, pages = {870--872}, publisher = {mathdoc}, volume = {118}, number = {5}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_118_5_a4/} }
S. I. Zukhovitskii; G. I. Èskin. Chebyshev approximation in a Hilbert ring. Doklady Akademii Nauk, Tome 118 (1958) no. 5, pp. 870-872. http://geodesic.mathdoc.fr/item/DAN_1958_118_5_a4/