@article{MP_2019_3_23_a1,
     author = {V. M. Tikhomirov},
     title = {{\CYRE}{\cyrl}{\cyre}{\cyrn}{\cyra} {{\CYRA}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyra}{\cyrn}{\cyrd}{\cyrr}{\cyro}{\cyrv}{\cyrn}{\cyra}} {{\CYRM}{\cyro}{\cyrr}{\cyro}{\cyrz}{\cyro}{\cyrv}{\cyra}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {20--23},
     year = {2019},
     volume = {Ser. 3, 23},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2019_3_23_a1/}
}