@misc{KVANT_2017_6_a21,
     title = {{\CYRZ}{\cyra}{\cyro}{\cyrch}{\cyrn}{\cyra}{\cyrya} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyra} {{\CYRS}{\CYRU}{\CYRN}{\CYRC}} {{\CYRN}{\CYRG}{\CYRU}}},
     journal = {Kvant},
     pages = {44--48},
     publisher = {mathdoc},
     number = {6},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2017_6_a21/}
}