Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1964__106_3_a4, author = {{\CYRYA}.{\CYRS}. {\CYRB}{\cyru}{\cyrg}{\cyrr}{\cyro}{\cyrv}}, title = {{\CYRP}{\cyrr}{\cyri}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyra} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrs} {\cyrd}{\cyro}{\cyrm}{\cyri}{\cyrn}{\cyri}{\cyrr}{\cyru}{\cyryu}{\cyrshch}{\cyre}{\cyrishrt} {\cyrs}{\cyrm}{\cyre}{\cyrsh}{\cyra}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt}}, journal = {Matemati\v{c}eskij sbornik}, pages = {410--418}, publisher = {mathdoc}, volume = {106}, number = {3}, year = {1964}, zbl = {0135.34902}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1964__106_3_a4/} }
Я.С. Бугров. Приближение класса функций с доминирующей смешанной производной. Matematičeskij sbornik, Tome 106 (1964) no. 3, pp. 410-418. http://geodesic.mathdoc.fr/item/MS_1964__106_3_a4/