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@article{MS_1962__98_2_a3, author = {{\CYRL}.{\CYRA}. {\CYRB}{\cyre}{\cyrk}{\cyrl}{\cyre}{\cyrm}{\cyri}{\cyrsh}{\cyre}{\cyrv}{\cyra}}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrn}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyro}{\cyrm} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrm} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrv}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {207--236}, publisher = {mathdoc}, volume = {98}, number = {2}, year = {1962}, zbl = {0106.06601}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1962__98_2_a3/} }
Л.А. Беклемишева. Об одном нелинейном дифференциальном уравнении второго порядка. Matematičeskij sbornik, Tome 98 (1962) no. 2, pp. 207-236. http://geodesic.mathdoc.fr/item/MS_1962__98_2_a3/