@article{MP_2019_3_23_a9,
     author = {A. A. Balakin},
     title = {{\CYRO}{\cyrk}{\cyrl}{\cyre}{\cyri}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrt}{\cyre}{\cyrt}{\cyrr}{\cyra}{\cyrerev}{\cyrd}{\cyrr}{\cyra} {\cyrk}{\cyrv}{\cyra}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyra}{\cyrm}{\cyri}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {134--144},
     year = {2019},
     volume = {Ser. 3, 23},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2019_3_23_a9/}
}