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@article{MS_1957__84_3_a4, author = {{\CYRYU}.{\CYRG}. {\CYRB}{\cyro}{\cyrr}{\cyri}{\cyrs}{\cyro}{\cyrv}{\cyri}{\cyrch}}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyre} {\cyro} {\cyrk}{\cyrr}{\cyri}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrt}{\cyro}{\cyrch}{\cyrk}{\cyra}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {353--360}, publisher = {mathdoc}, volume = {84}, number = {3}, year = {1957}, zbl = {0080.32302}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1957__84_3_a4/} }
Ю.Г. Борисович. Об одной теореме о критических точках функционала. Matematičeskij sbornik, Tome 84 (1957) no. 3, pp. 353-360. http://geodesic.mathdoc.fr/item/MS_1957__84_3_a4/