@misc{KVANT_2019_8_a15,
     title = {{\guillemotleft}{\CYRK}{\CYRV}{\CYRA}{\CYRN}{\CYRT}{\guillemotright} {\cyrd}{\cyrl}{\cyrya} {\cyrm}{\cyrl}{\cyra}{\cyrd}{\cyrsh}{\cyri}{\cyrh} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}},
     journal = {Kvant},
     pages = {52},
     publisher = {mathdoc},
     number = {8},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2019_8_a15/}
}