@article{MP_2021_3_27_a10,
     author = {V. I. Retinskii and A. D. Ryabichev and A. B. Skopenkov},
     title = {{\CYRM}{\cyro}{\cyrt}{\cyri}{\cyrv}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyrn}{\cyro}{\cyre} {\cyri}{\cyrz}{\cyrl}{\cyro}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrd}{\cyro}{\cyrk}{\cyra}{\cyrz}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {{\CYRT}{\cyrv}{\cyre}{\cyrr}{\cyrb}{\cyre}{\cyrr}{\cyrg}{\cyra}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {166--169},
     year = {2021},
     volume = {Ser. 3, 27},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2021_3_27_a10/}
}