Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1958__87_4_a2, author = {{\CYRI}.{\CYRYA}. {\CYRP}{\cyrl}{\cyra}{\cyrm}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrv}}, title = {{\CYRA}{\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyre} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrd}{\cyrv}{\cyru}{\cyrh} {\cyrd}{\cyre}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh}}, journal = {Matemati\v{c}eskij sbornik}, pages = {433--454}, publisher = {mathdoc}, volume = {87}, number = {4}, year = {1958}, zbl = {0082.05201}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1958__87_4_a2/} }
И.Я. Пламеннов. Асимптотическое дифференцирование функций двух действительных переменных. Matematičeskij sbornik, Tome 87 (1958) no. 4, pp. 433-454. http://geodesic.mathdoc.fr/item/MS_1958__87_4_a2/