@article{KVANT_2021_1_a10,
     author = {Yu. Markelov and A. Sairanov},
     title = {{\CYRP}{\cyro}{\cyrl}{\cyri}{\cyrm}{\cyri}{\cyrn}{\cyro}},
     journal = {Kvant},
     pages = {36--37},
     publisher = {mathdoc},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2021_1_a10/}
}