@article{MP_1957_a8,
     author = {A. A. Lyapunov},
     title = {{\CYRD}{\cyre}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyra}. {({\CYRP}{\cyrr}{\cyre}{\cyrp}{\cyro}{\cyrd}{\cyra}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre}} {\cyrv}~{\cyrv}{\cyrery}{\cyrs}{\cyrsh}{\cyre}{\cyrishrt} {\cyrt}{\cyre}{\cyrh}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyre} {\cyrs}~{\cyrb}{\cyro}{\cyrl}{\cyrsftsn}{\cyrsh}{\cyro}{\cyrishrt} {\cyrp}{\cyrr}{\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrm}{\cyrm}{\cyro}{\cyrishrt} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyri})},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {149--156},
     publisher = {mathdoc},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1957_a8/}
}