@misc{KVANT_2021_3_a7,
     title = {{\CYRR}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch} {{\CYRM}2630-{\CYRM}2633,} {{\CYRF}2637-{\CYRF}2640}},
     journal = {Kvant},
     pages = {22--29},
     publisher = {mathdoc},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2021_3_a7/}
}