Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1947__63_3_a3, author = {{\CYRI}.{\CYRV}. {\CYRC}{\cyre}{\cyrn}{\cyro}{\cyrv}}, title = {{\CYRN}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyre} {\cyrv}{\cyro}{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrery} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrp}{\cyrr}{\cyri}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt}}, journal = {Matemati\v{c}eskij sbornik}, pages = {435--438}, publisher = {mathdoc}, volume = {63}, number = {3}, year = {1947}, zbl = {0029.25701}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1947__63_3_a3/} }
И.В. Ценов. Некоторые вопросы теории приближения функций. Matematičeskij sbornik, Tome 63 (1947) no. 3, pp. 435-438. http://geodesic.mathdoc.fr/item/MS_1947__63_3_a3/