Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1987__174_1_a0, author = {{\CYREREV}.{\CYRS}. {\CYRB}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}}, title = {{\CYRP}{\cyrr}{\cyri}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyre}}, journal = {Matemati\v{c}eskij sbornik}, pages = {20--27}, publisher = {mathdoc}, volume = {174}, number = {1}, year = {1987}, zbl = {0642.42003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1987__174_1_a0/} }
Э.С. Белинский. Приближение. Matematičeskij sbornik, Tome 174 (1987) no. 1, pp. 20-27. http://geodesic.mathdoc.fr/item/MS_1987__174_1_a0/