@article{MP_2021_3_27_a14,
     author = {I. A. Ivanov-Pogodaev and A. Ya. Kanel-Belov},
     title = {{\CYRO}{\cyrb} {\cyri}{\cyrn}{\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrn}{\cyrt}{\cyra}{\cyrh} {\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyro}{\cyrs}{\cyro}{\cyrs}{\cyrt}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {186--192},
     year = {2021},
     volume = {Ser. 3, 27},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2021_3_27_a14/}
}