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@article{MS_1955__79_2_a4, author = {M.A. {\CYRK}{\cyrr}{\cyra}{\cyrs}{\cyrn}{\cyro}{\cyrs}{\cyre}{\cyrl}{\cyrsftsn}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}}, title = {{\CYRU}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrk}{\cyrr}{\cyri}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrch}{\cyre}{\cyrt}{\cyrn}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyro}{\cyrv} {\cyrn}{\cyra} {\cyrs}{\cyrf}{\cyre}{\cyrr}{\cyre}}, journal = {Matemati\v{c}eskij sbornik}, pages = {301--322}, publisher = {mathdoc}, volume = {79}, number = {2}, year = {1955}, zbl = {0065.35005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1955__79_2_a4/} }
M.A. Красносельский. Устойчивость критических значений четных функционалов на сфере. Matematičeskij sbornik, Tome 79 (1955) no. 2, pp. 301-322. http://geodesic.mathdoc.fr/item/MS_1955__79_2_a4/