@article{KVANT_2017_4_a2,
     author = {V. V. Ptushenko},
     title = {{\CYRT}{\cyre}{\cyrn}{\cyri} {\cyrs}{\cyrv}{\cyre}{\cyrr}{\cyrk}{\cyra}{\cyryu}{\cyrshch}{\cyre}{\cyrg}{\cyro} {\cyrs}{\cyrn}{\cyre}{\cyrg}{\cyra}},
     journal = {Kvant},
     pages = {10--15},
     publisher = {mathdoc},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2017_4_a2/}
}