@article{KVANT_2020_1_a4,
     author = {V. Arnol'd},
     title = {{\CYREREV}{\cyrv}{\cyro}{\cyrl}{\cyryu}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrp}{\cyrr}{\cyro}{\cyrc}{\cyre}{\cyrs}{\cyrs}{\cyrery} {\cyri} {\cyro}{\cyrb}{\cyrery}{\cyrk}{\cyrn}{\cyro}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Kvant},
     pages = {29--37},
     publisher = {mathdoc},
     number = {1},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2020_1_a4/}
}