@misc{VMUMM_2019_3_a0,
     title = {{\CYRK} {\cyryu}{\cyrb}{\cyri}{\cyrl}{\cyre}{\cyryu} {{\CYRV}{\cyri}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyra}} {{\CYRA}{\cyrn}{\cyrt}{\cyro}{\cyrn}{\cyro}{\cyrv}{\cyri}{\cyrch}{\cyra}} {{\CYRS}{\cyra}{\cyrd}{\cyro}{\cyrv}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrg}{\cyro}}},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--4},
     publisher = {mathdoc},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2019_3_a0/}
}