@misc{KVANT_2015_4_a21,
     title = {{\CYRS}{\cyri}{\cyrm}{\cyre}{\cyrd}{\cyri}{\cyra}{\cyrn}{\cyra}},
     journal = {Kvant},
     pages = {56},
     publisher = {mathdoc},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2015_4_a21/}
}