@article{DAN_1961_138_2_a0,
     author = {V. I. Arnol'd},
     title = {{\CYRN}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrk}{\cyro} {\cyrz}{\cyra}{\cyrm}{\cyre}{\cyrch}{\cyra}{\cyrn}{\cyri}{\cyrishrt} {\cyro} {\cyrp}{\cyro}{\cyrt}{\cyro}{\cyrk}{\cyra}{\cyrh} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrerev}{\cyrl}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyro}{\cyrv} {\cyri} {\cyrr}{\cyre}{\cyrp}{\cyre}{\cyrr}{\cyro}{\cyrv}},
     journal = {Doklady Akademii Nauk},
     pages = {255--257},
     publisher = {mathdoc},
     volume = {138},
     number = {2},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_2_a0/}
}