@article{KVANT_2017_1_a9,
     author = {V. V. Ptushenko},
     title = {{\CYRK}{\cyrr}{\cyri}{\cyrv}{\cyra}{\cyrya}, {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrv}{\cyre}{\cyrr}{\cyrn}{\cyru}{\cyrt}{\cyra}{\cyrya} {\cyrv}{\cyrv}{\cyre}{\cyrr}{\cyrh} {\cyrn}{\cyro}{\cyrg}{\cyra}{\cyrm}{\cyri}},
     journal = {Kvant},
     pages = {43--45},
     publisher = {mathdoc},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2017_1_a9/}
}