@misc{KVANT_2017_5_a19,
     title = {XXXVIII {\cyrt}{\cyru}{\cyrr}{\cyrn}{\cyri}{\cyrr} {\cyrg}{\cyro}{\cyrr}{\cyro}{\cyrd}{\cyro}{\cyrv}},
     journal = {Kvant},
     pages = {54--58},
     publisher = {mathdoc},
     number = {5},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2017_5_a19/}
}