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@article{MS_1959__91_2_a4, author = {{\CYRYU}.{\CYRS}. {\CYRB}{\cyro}{\cyrg}{\cyrd}{\cyra}{\cyrn}{\cyro}{\cyrv}}, title = {{\CYRN}{\cyro}{\cyrr}{\cyrm}{\cyrery} {{\CYRL}{\cyrya}{\cyrp}{\cyru}{\cyrn}{\cyro}{\cyrv}{\cyra}} {\cyrv} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh}}, journal = {Matemati\v{c}eskij sbornik}, pages = {225--232}, publisher = {mathdoc}, volume = {91}, number = {2}, year = {1959}, zbl = {0088.31703}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1959__91_2_a4/} }
Ю.С. Богданов. Нормы Ляпунова в линейных пространствах. Matematičeskij sbornik, Tome 91 (1959) no. 2, pp. 225-232. http://geodesic.mathdoc.fr/item/MS_1959__91_2_a4/