@article{KVANT_2017_5_a5,
     author = {D. Shvetsov},
     title = {{\CYRP}{\cyro}{\cyrl}{\cyrya}{\cyrr}{\cyra}},
     journal = {Kvant},
     pages = {36--39},
     publisher = {mathdoc},
     number = {5},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2017_5_a5/}
}