@article{KVANT_2019_12_a0,
     author = {V. Ptushenko},
     title = {{\CYRN}{\cyra} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrk}{\cyrr}{\cyre}{\cyrs}{\cyrt}{\cyrk}{\cyre} {\cyri}{\cyrd}{\cyre}{\cyrishrt}:
},
     journal = {Kvant},
     pages = {2--9},
     publisher = {mathdoc},
     number = {12},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2019_12_a0/}
}