@article{MP_2018_a4,
     author = {V. N. Dubrovsky},
     title = {{\CYRA}{\cyrn}{\cyrd}{\cyrr}{\cyre}{\cyrishrt} {{\CYRA}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyra}{\cyrn}{\cyrd}{\cyrr}{\cyro}{\cyrv}{\cyri}{\cyrch}} {{\CYRE}{\cyrg}{\cyro}{\cyrr}{\cyro}{\cyrv}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {64--67},
     publisher = {mathdoc},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2018_a4/}
}